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Boats and Streams | Boats and Stream Problems | JobzStore
Learn Step by Step Boats and Streams Problems through videos,Boats and StreamsQuestions and Answers,Boats and Streams Aptitude Test"
Aptitude Training - TIME AND DISTANCE 4
I have taken coaching from NARESH INSTITUTE for CRT (Campus Recruitment Training). In these videos, I have explained all the questions with answer and how to approach for the question etc, in the same manner how they have taught to me at the time of training. Hope u like it.
Aptitude training playlist link :
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24 standard interview puzzles:
https://www.youtube.com/playlist?list=PL3v9ipJOEEPefIF4nscYOobim1iRBJTjw
for C and C++ questions, that are asked in the interviews, go through the posts in the link : http://comsciguide.blogspot.com/
for more videos, my youtube channel :
https://www.youtube.com/channel/UCvMy2V7gYW7VR2WgyvLj3-A
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The document contains two word problems about calculating boat/canoe speed and current speed based on distance traveled and time upstream vs downstream. The first problem is about a boat that travels 60 miles upstream in 3 hours and 80 miles downstream in 2 hours. By setting up and solving two equations, the boat speed is calculated to be 30 mph and the current speed is 10 mph. The second problem is about a canoeist that travels 18 miles upstream in 1.5 hours and 36 miles downstream in 2 hours. Similarly solving two equations reveals the canoeist's speed to be 15 mph and the current speed to be 3 mph.
Measurements in science
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Boats _ Streams New.pptx
This document provides information and practice questions about boats traveling upstream and downstream in streams and rivers. It defines key formulas used to calculate distances, times, and speeds for boats moving with and against currents. Several example problems are worked out applying these formulas. Multiple choice practice questions then assess understanding of calculating boat speeds based on given distances, times, and stream speeds.
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I have taken coaching from NARESH INSTITUTE for CRT (Campus Recruitment Training). In these videos, I have explained all the questions with answer and how to approach for the question etc, in the same manner how they have taught to me at the time of training. Hope u like it.
Aptitude training playlist link :
https://www.youtube.com/playlist?list=PL3v9ipJOEEPfumKHa02HWjCfPvGQiPZiG
For full playlist of Interview puzzles videos :
https://www.youtube.com/playlist?list=PL3v9ipJOEEPfI4zt4ExamGJwndkvg0SFc
24 standard interview puzzles:
https://www.youtube.com/playlist?list=PL3v9ipJOEEPefIF4nscYOobim1iRBJTjw
for C and C++ questions, that are asked in the interviews, go through the posts in the link : http://comsciguide.blogspot.com/
for more videos, my youtube channel :
https://www.youtube.com/channel/UCvMy2V7gYW7VR2WgyvLj3-A
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The document contains two word problems about calculating boat/canoe speed and current speed based on distance traveled and time upstream vs downstream. The first problem is about a boat that travels 60 miles upstream in 3 hours and 80 miles downstream in 2 hours. By setting up and solving two equations, the boat speed is calculated to be 30 mph and the current speed is 10 mph. The second problem is about a canoeist that travels 18 miles upstream in 1.5 hours and 36 miles downstream in 2 hours. Similarly solving two equations reveals the canoeist's speed to be 15 mph and the current speed to be 3 mph.
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This document discusses direct and inverse variation. It defines direct variation as a relationship that can be written as y=kx, where k is a constant, and inverse variation as a relationship that can be written as y=k/x, where k is a constant and x is not equal to 0. It provides examples of direct and inverse variation problems and their solutions. It also includes two worksheets with additional problems involving direct and inverse variation and asks the reader to determine the solutions.
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The document is a certificate from the University of Khartoum certifying that Yousif Ibrahim Yousif Adam has passed the final exam in the Faculty of Engineering and has been awarded a Bachelor of Science degree in Petroleum Engineering with First Class Honors.
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This document provides information and practice questions about boats traveling upstream and downstream in streams and rivers. It defines key formulas used to calculate distances, times, and speeds for boats moving with and against currents. Several example problems are worked out applying these formulas. Multiple choice practice questions then assess understanding of calculating boat speeds based on given distances, times, and stream speeds.
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1) The document provides formulas and examples to calculate boat speeds upstream and downstream based on the boat's speed in still water and the speed of the river current.
2) It gives the formulas to calculate a boat's speed in still water and the river current's speed based on the boat's upstream and downstream speeds.
3) Several word problems are worked out using the formulas to find values like boat speed in still water and river current speed given upstream and downstream times or distances.
19. boats & streams
This document provides important facts and formulas for boats and streams, along with sample problems and solutions. It states that the direction of a stream is called downstream, while against the stream is upstream. The speed of a boat downstream equals the boat speed plus the stream speed, while upstream it is the boat speed minus the stream speed. Sample problems are given to calculate boat speed in still water and stream rate based on upstream and downstream times.
Help to grow buisness with the help of maths practices to grow yourself
This document contains 25 multiple choice questions related to calculating boat speeds on rivers and streams. It provides scenarios where a boat travels upstream and/or downstream and asks the reader to determine the boat speed in still water or the speed of the current based on the given information such as distances, times, and direction of travel. The questions apply concepts of adding or subtracting current speed to/from boat speed depending on whether the boat is traveling with or against the direction of the stream or river's current.
Qa07 boats and streams
The document discusses concepts related to boats moving with and against streams. It defines that the speed of a boat or swimmer in still water is their baseline speed, and the speed upstream or downstream is calculated by adding or subtracting the stream speed. Several examples are provided to demonstrate calculating distances and stream speeds given time taken to travel upstream and downstream. Formulas are provided to calculate distances and stream/boat speeds using variables for boat speed, stream speed, and time taken to travel distances with or against the current.
Time speed and idistance
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The document provides examples of speed and boat-related questions that are often asked in aptitude tests. It includes 6 questions with solutions related to the speed of boats traveling upstream or downstream in rivers at various speeds, or the speed of the river current. It also includes additional practice questions related to the speed of trains, walking rates, and geometric concepts like area and perimeter calculations.
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This document discusses shortcuts and tricks for solving problems involving boats moving with or against the stream. It defines key terms like stream, upstream, and downstream. It then presents seven tricks for calculating speed of boats, swimmers, or streams using variables like distance traveled, time taken, and speed in still water. Each trick is explained with an example problem and solution.
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Chapter 3
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Chapter 6
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1. Palancharmy, Basic Civil Engineering, McGraw Hill publishers.
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1) The document provides formulas and examples to calculate boat speeds upstream and downstream based on the boat's speed in still water and the speed of the river current.
2) It gives the formulas to calculate a boat's speed in still water and the river current's speed based on the boat's upstream and downstream speeds.
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This document provides important facts and formulas for boats and streams, along with sample problems and solutions. It states that the direction of a stream is called downstream, while against the stream is upstream. The speed of a boat downstream equals the boat speed plus the stream speed, while upstream it is the boat speed minus the stream speed. Sample problems are given to calculate boat speed in still water and stream rate based on upstream and downstream times.
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This document contains 25 multiple choice questions related to calculating boat speeds on rivers and streams. It provides scenarios where a boat travels upstream and/or downstream and asks the reader to determine the boat speed in still water or the speed of the current based on the given information such as distances, times, and direction of travel. The questions apply concepts of adding or subtracting current speed to/from boat speed depending on whether the boat is traveling with or against the direction of the stream or river's current.
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The document discusses concepts related to boats moving with and against streams. It defines that the speed of a boat or swimmer in still water is their baseline speed, and the speed upstream or downstream is calculated by adding or subtracting the stream speed. Several examples are provided to demonstrate calculating distances and stream speeds given time taken to travel upstream and downstream. Formulas are provided to calculate distances and stream/boat speeds using variables for boat speed, stream speed, and time taken to travel distances with or against the current.
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IT IS AN IMPORTANT TOPIC FOR ALL COMPETITIVE LEVEL EXAMINATIONS OR GOVT EXAMINATIONS. IT IS VERY HELPFUL FOR THOSE WHO ARE APPEARING FOR THOSE JOB EXAMINATIONS,
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The document provides examples of speed and boat-related questions that are often asked in aptitude tests. It includes 6 questions with solutions related to the speed of boats traveling upstream or downstream in rivers at various speeds, or the speed of the river current. It also includes additional practice questions related to the speed of trains, walking rates, and geometric concepts like area and perimeter calculations.
Questions of boat and speed for aptitude tests
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Boats streams
This document discusses shortcuts and tricks for solving problems involving boats moving with or against the stream. It defines key terms like stream, upstream, and downstream. It then presents seven tricks for calculating speed of boats, swimmers, or streams using variables like distance traveled, time taken, and speed in still water. Each trick is explained with an example problem and solution.
Time & distance
Time & Distance is a broader topic in aptitude. Here the moving object could be train or person or boats etc.,
Students could find useful techniques to solve time & distance aptitude problems.
Velocity
The document defines velocity as the speed and direction of an object's motion. It provides examples of calculating velocity from speed and direction. It also discusses concepts like constant versus changing velocity, and combining velocities such as a boat moving downstream in a river. Several word problems are presented that require calculating velocity using change in distance over time along with direction of motion.
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The document provides information and formulas related to speed, time, and distance problems involving trains. It includes conversions between km/hr and m/s, formulas for calculating time taken by trains of different lengths to pass objects, and examples of word problems involving trains passing stations, bridges, poles, and each other while moving in the same or opposite directions at various speeds.
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This document contains multiple choice questions and solved numerical problems related to the topic of motion and rest from the ninth grade physics curriculum in India. It covers concepts like distance, displacement, velocity, uniform and non-uniform motion, acceleration, and graphs related to distance-time and velocity-time. Several word problems involve calculating speed, acceleration, time, or distance given certain variables like initial/final velocities or acceleration. The document aims to help students practice and understand concepts of motion through these sample questions.
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The document provides information on the relationships between distance, time, and speed. It includes formulas for converting between kilometers per hour and meters per second, calculating average speed when distances are covered at different speeds, and calculating relative speeds of objects like trains moving in the same or opposite directions. It then provides a quiz with 10 multiple choice questions related to using these formulas and concepts to solve word problems involving time, distance, and speed.
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Applications of rational equations powerpoint
1) Hannah and Kendrick need to clean two stretches of beach. Working together, it will take them 3.75 hours to clean one stretch and 7.5 hours to clean both stretches.
2) Tony sails 90 miles round trip in 10 hours. With a 20 mph current, his speed in still water is 25 mph.
3) Down East Kayaks' tour covers 10 miles in 3 hours. With a 6 mph kayaking speed, the current is 4 mph.
4) Joyce needs to mix 12 ml of a 15% citric acid solution with 54 ml of a 70% solution to make 60 ml of a 60% citric acid solution.
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This document analyzes shockwave formation and propagation behind a slow moving truck. It contains the following key points:
1. A slow moving truck at 10 mph creates a shockwave that moves at the same speed (10 mph) in front of it, slowing traffic. A second shockwave forms behind it, moving at 2.1 mph, as traffic builds up in a platoon.
2. For a 10 minute period, the front of the platoon travels 1.67 miles while the rear travels 0.35 miles, extending the platoon to a maximum length of 1.32 miles containing 159 vehicles.
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This document provides an overview of concepts related to time, speed, and distance (TSD). It begins with the basics of TSD relationships, including how distance, time, and speed are directly or inversely proportional. It then provides examples of average speed calculations and problems involving distance, speed, and time. Next, it covers relative speed and examples of problems involving objects moving in the same or opposite directions. Finally, it discusses to-and-fro motion in a straight line, providing examples of objects moving in both the same and opposite directions between two points. The document aims to explain key TSD concepts and relationships through examples and practice problems.
17 chap
1. The document provides examples and formulas for calculating time, distance, and speed. It includes the formulas for calculating speed, time, and distance when two quantities are given.
2. Sample problems are given involving calculating speeds and distances traveled by people and vehicles using the time-distance formulas. Distances, speeds, and times taken to cover distances are calculated in the examples.
3. Thirteen example problems are shown with step-by-step solutions for calculating speeds, times, and distances from trains, cyclists, thieves, and more using the time-distance formulas.
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Syllabus
Chapter-1
Introduction to objective, scope and outcome the subject
Chapter 2
Introduction: Scope and Specialization of Civil Engineering, Role of civil Engineer in Society, Impact of infrastructural development on economy of country.
Chapter 3
Surveying: Object Principles & Types of Surveying; Site Plans, Plans & Maps; Scales & Unit of different Measurements.
Linear Measurements: Instruments used. Linear Measurement by Tape, Ranging out Survey Lines and overcoming Obstructions; Measurements on sloping ground; Tape corrections, conventional symbols. Angular Measurements: Instruments used; Introduction to Compass Surveying, Bearings and Longitude & Latitude of a Line, Introduction to total station.
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Chapter 4
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Chapter 5
Transportation: Introduction to Transportation Engineering; Traffic and Road Safety: Types and Characteristics of Various Modes of Transportation; Various Road Traffic Signs, Causes of Accidents and Road Safety Measures.
Chapter 6
Environmental Engineering: Environmental Pollution, Environmental Acts and Regulations, Functional Concepts of Ecology, Basics of Species, Biodiversity, Ecosystem, Hydrological Cycle; Chemical Cycles: Carbon, Nitrogen & Phosphorus; Energy Flow in Ecosystems.
Water Pollution: Water Quality standards, Introduction to Treatment & Disposal of Waste Water. Reuse and Saving of Water, Rain Water Harvesting. Solid Waste Management: Classification of Solid Waste, Collection, Transportation and Disposal of Solid. Recycling of Solid Waste: Energy Recovery, Sanitary Landfill, On-Site Sanitation. Air & Noise Pollution: Primary and Secondary air pollutants, Harmful effects of Air Pollution, Control of Air Pollution. . Noise Pollution Harmful Effects of noise pollution, control of noise pollution, Global warming & Climate Change, Ozone depletion, Greenhouse effect
Text Books:
1. Palancharmy, Basic Civil Engineering, McGraw Hill publishers.
2. Satheesh Gopi, Basic Civil Engineering, Pearson Publishers.
3. Ketki Rangwala Dalal, Essentials of Civil Engineering, Charotar Publishing House.
4. BCP, Surveying volume 1
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Denis is a dynamic and results-driven Chief Information Officer (CIO) with a distinguished career spanning information systems analysis and technical project management. With a proven track record of spearheading the design and delivery of cutting-edge Information Management solutions, he has consistently elevated business operations, streamlined reporting functions, and maximized process efficiency.
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Main Java[All of the Base Concepts}.docx
This is part 1 of my Java Learning Journey. This Contains Custom methods, classes, constructors, packages, multithreading , try- catch block, finally block and more.
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LAND USE LAND COVER AND NDVI OF MIRZAPUR DISTRICT, UP
This Dissertation explores the particular circumstances of Mirzapur, a region located in the
core of India. Mirzapur, with its varied terrains and abundant biodiversity, offers an optimal
environment for investigating the changes in vegetation cover dynamics. Our study utilizes
advanced technologies such as GIS (Geographic Information Systems) and Remote sensing to
analyze the transformations that have taken place over the course of a decade.
The complex relationship between human activities and the environment has been the focus
of extensive research and worry. As the global community grapples with swift urbanization,
population expansion, and economic progress, the effects on natural ecosystems are becoming
more evident. A crucial element of this impact is the alteration of vegetation cover, which plays a
significant role in maintaining the ecological equilibrium of our planet.Land serves as the foundation for all human activities and provides the necessary materials for
these activities. As the most crucial natural resource, its utilization by humans results in different
'Land uses,' which are determined by both human activities and the physical characteristics of the
land.
The utilization of land is impacted by human needs and environmental factors. In countries
like India, rapid population growth and the emphasis on extensive resource exploitation can lead
to significant land degradation, adversely affecting the region's land cover.
Therefore, human intervention has significantly influenced land use patterns over many
centuries, evolving its structure over time and space. In the present era, these changes have
accelerated due to factors such as agriculture and urbanization. Information regarding land use and
cover is essential for various planning and management tasks related to the Earth's surface,
providing crucial environmental data for scientific, resource management, policy purposes, and
diverse human activities.
Accurate understanding of land use and cover is imperative for the development planning
of any area. Consequently, a wide range of professionals, including earth system scientists, land
and water managers, and urban planners, are interested in obtaining data on land use and cover
changes, conversion trends, and other related patterns. The spatial dimensions of land use and
cover support policymakers and scientists in making well-informed decisions, as alterations in
these patterns indicate shifts in economic and social conditions. Monitoring such changes with the
help of Advanced technologies like Remote Sensing and Geographic Information Systems is
crucial for coordinated efforts across different administrative levels. Advanced technologies like
Remote Sensing and Geographic Information Systems
9
Changes in vegetation cover refer to variations in the distribution, composition, and overall
structure of plant communities across different temporal and spatial scales. These changes can
occur natural.
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Boats and Streams | Boats and Stream Problems | JobzStore
- 2. Boats & Streams Quantitative Aptitude Questions And Answer
- 4. 1.A boatman rows 1km in 5 minutes, along the stream and 6km in1 hour against the stream. The speed of the stream is A.3 kmph B.6 kmph C.10 kmph D.12 kmph
- 5. Answer: Option A Explanation: Tricky ApproachSpeed of current = 1/2(Rate downstream – Rate upstream) = 1/2 (12 – 6) kmph [Rate downstream = (1/5)×60=12 kmph] = 3 kmph
- 6. 2.The speed of a boat in still water is 10km/hr. It covers (upstream) a distance of 45 km in a 6 hours. The speed (in km/hr) of the stream is A.2.5 kmph B.3 kmph C.3.5 kmph D.4 kmph
- 7. Answer: Option A Explanation: Upstream speed of boat = (Distance/Time)=(45/6) =(15/2) = 7.5 kmph Speed of current = 10 – 7.5 = 2.5 kmph
- 8. 3.A man rows 40 km upstream in 8 hours and a distance of 36 km downstream in 6 hours. Then speed of stream is A.0.5 km/hr B.1.5 km/hr C.1 km/hr D.3 km/hr
- 9. Answer: Option A Explanation: Speed of stream = 1/2[36/6-40/8]= 1/2 = 0.5 kmph
- 10. 4.A boat travels 24 km upstream in 8 hours and a distance of 36 km downstream in 4 hours. Then the speed of boat in still water and the speed of water current are respectively. A.4 kmph and 3 kmph B.4.5 kmph and 0.5 kmph C.4 kmph and 2 kmph D.5 kmph and 2 kmph
- 11. Answer: Option B Explanation: Rate upstream = 4 kmphRate downstream = 5 kmph Speed of boat in still water = 1/2(4 + 5) = 4.5 kmph Speed of current = 1/2 (5 – 4) = 0.5 kmph
- 12. 5.If a boat goes 100km downstream in 10 hours and 75 km upstream in 15 hours, then the speed of the stream is A.2 km/hour B.2.5 km/hour C.3 km/hour D.3.5 km/hour
- 13. Answer: Option B Explanation: Rate downstream = 10 kmphRate upstream = 5 kmph Speed of current = 1/2 (10 – 5) = 2.5 kmph
- 14. THANK YOU