SlideShare a Scribd company logo
1 of 4
Shakehand with Life “Promoting quality culture in every sphere of human life” Page 0 
By Narender Sharma “Save Paper, Save Trees, Save Environment” Year - 2012 Previous Solved Paper Feb.2012 MBA, MDU, DDE Rohtak. 70 Multiple choice questions with Answer Key E-Book Code : QTSPFEB12 ShakehandwithLife.in
www.shakehandwithlife.in Page 1 
www.shakehandwithlife.in 
E-mail : shakehandwithlife@gmail.com , narender@shakehandwithlife.in 
Click on Contents 
Multiple Choice Questions ............................................................................................................................................................................ 2 
Answer Key ..................................................................................................................................................................................................... 13 
Feedback ........................................................................................................................................................................................................... 13
www.shakehandwithlife.in Page 2 
Multiple Choice Questions 
Que. 1. A polynomial of degree……………….. is a linear function and that of degree………….is a quadratic function : 
A) 1, 0 
B) 2, 1 
C) 1, 2 
D) 0, a 
Que. 2. The zeros of the function 1 1 are : 
A) 2, 3 
B) 2, 4 
C) 0, 0 
D) 0, 1 
Que. 3. A firm produces and market a single product at a price of Rs. 17.50 per unit. Total fixed cost is Rs. 20,000 daily. The unit variable cost is Rs. 5.00. How many units per day must be produced that the firm breaks even? 
A) 1200 
B) 2000 
C) 2400 
D) 1600 
Que. 4. A firm produces and markets dry cells. The daily cost of production for q number of cells is C(q)= 3.5q+12000. If each cell is sold for Rs. 5.50, the minimum daily production output to ensure no loss is : 
A) 8000 cells 
B) 7000 cells 
C) 6000 cells 
D) 5000 cells 
Que. 5. The sum of three numbers in AP is 15 and their product is 105. Two numbers out of these numbers are: 
A) 2 , 5 
B) 2 , 3 
C) 5 , 3 
D) 4 , 3 
Que. 6. Three numbers are in GP whose sum is 35 and whose product is 1000. One of the numbers is : 
A) 10 
B) 15 
C) 18 
D) 27 
Que. 7. If [ 1 ] [ ] then xy ……… : 
A) 90 
B) -90 
C) 135 
D) -135 
Que. 8. For a non-singular matrix A , ………… :
www.shakehandwithlife.in Page 3 
A) A |A| Adj A 
B) Adj A |A|A 
C) Adj A A 
D) Adj A |A|A 
Que. 9. What is the sum of five terms of an AP whose 20th term is 41 and 39th term is 79 ? 
A) 28 
B) 35 
C) 42 
D) 33 
Que. 10. The 9th term of a GP whose 3rd term is 1 and 6th term is is ………………….. , 
A) 
B) 
C) 
D) 
Que. 11. Matrix A has x rows and x+5 columns , matrix B has y rows and 11-y columns. If both AB and BA exist , then : 
A) x=8 
B) x=5 
C) y=8 
D) y=5 
Que. 12. The sum of three numbers in AP is 18. If 2, 4 and 11 are added to them respectively, the resulting numbers are in GP. One of these numbers is : 
A) 
B) 
C) 
D) 
Que. 13 . If x and y are two real numbers, then | |……….| | | |: 
A) > 
B) < 
C) 
D) 
Que. 14. If [ 1 ], [ 1 1 ] and the elements of the matrix X are ………….and ……………respectively : 
A) , 
B) , 
C) , 
D) , 
Que. 15 Which of the following is not correct? 
A) ( )

More Related Content

More from Shakehand with Life

7 QC Tools PDF | An eBook with A Detailed Description and Practical Examples
7 QC Tools PDF | An eBook with A Detailed Description and Practical Examples7 QC Tools PDF | An eBook with A Detailed Description and Practical Examples
7 QC Tools PDF | An eBook with A Detailed Description and Practical ExamplesShakehand with Life
 
Process Decision and Program Chart
Process Decision and Program ChartProcess Decision and Program Chart
Process Decision and Program ChartShakehand with Life
 
New 7 QC Tools Module 5 | Prioritization matrices
New 7 QC Tools Module 5 | Prioritization matricesNew 7 QC Tools Module 5 | Prioritization matrices
New 7 QC Tools Module 5 | Prioritization matricesShakehand with Life
 
New 7 QC Tools Module 4 | Matrix diagram
New 7 QC Tools Module 4 | Matrix diagramNew 7 QC Tools Module 4 | Matrix diagram
New 7 QC Tools Module 4 | Matrix diagramShakehand with Life
 
New 7 QC Tools Module 3 | Tree diagram
New 7 QC Tools Module 3 | Tree diagramNew 7 QC Tools Module 3 | Tree diagram
New 7 QC Tools Module 3 | Tree diagramShakehand with Life
 
New 7 QC Tools Module 2 | Interrelationship Digraph
New 7 QC Tools Module 2 | Interrelationship DigraphNew 7 QC Tools Module 2 | Interrelationship Digraph
New 7 QC Tools Module 2 | Interrelationship DigraphShakehand with Life
 
New 7 QC Tools | 7 Management Development Tools
New 7 QC Tools | 7 Management Development ToolsNew 7 QC Tools | 7 Management Development Tools
New 7 QC Tools | 7 Management Development ToolsShakehand with Life
 
New 7 QC Tool-Module 1 | Affinity diagram
New 7 QC Tool-Module 1 | Affinity diagramNew 7 QC Tool-Module 1 | Affinity diagram
New 7 QC Tool-Module 1 | Affinity diagramShakehand with Life
 
7 qc tools and spc training, December. 2015
7 qc tools and spc training, December. 20157 qc tools and spc training, December. 2015
7 qc tools and spc training, December. 2015Shakehand with Life
 
Hypothesis testing; z test, t-test. f-test
Hypothesis testing; z test, t-test. f-testHypothesis testing; z test, t-test. f-test
Hypothesis testing; z test, t-test. f-testShakehand with Life
 
Sharma narender; a brief profile
Sharma narender; a brief profileSharma narender; a brief profile
Sharma narender; a brief profileShakehand with Life
 
Seven QC Tools Training; Control Charts (Mean Chart and Range Chart)
Seven QC Tools Training; Control Charts (Mean Chart and Range Chart)Seven QC Tools Training; Control Charts (Mean Chart and Range Chart)
Seven QC Tools Training; Control Charts (Mean Chart and Range Chart)Shakehand with Life
 
Seven QC Tools Training; Scatter Diagram
Seven QC Tools Training; Scatter DiagramSeven QC Tools Training; Scatter Diagram
Seven QC Tools Training; Scatter DiagramShakehand with Life
 
Seven QC Tools Training; Process Flow Chart
Seven QC Tools Training; Process Flow ChartSeven QC Tools Training; Process Flow Chart
Seven QC Tools Training; Process Flow ChartShakehand with Life
 
Measure of dispersion part II ( Standard Deviation, variance, coefficient of ...
Measure of dispersion part II ( Standard Deviation, variance, coefficient of ...Measure of dispersion part II ( Standard Deviation, variance, coefficient of ...
Measure of dispersion part II ( Standard Deviation, variance, coefficient of ...Shakehand with Life
 
Measure of dispersion part I (Range, Quartile Deviation, Interquartile devi...
Measure of dispersion part   I (Range, Quartile Deviation, Interquartile devi...Measure of dispersion part   I (Range, Quartile Deviation, Interquartile devi...
Measure of dispersion part I (Range, Quartile Deviation, Interquartile devi...Shakehand with Life
 

More from Shakehand with Life (20)

7 QC Tools PDF | An eBook with A Detailed Description and Practical Examples
7 QC Tools PDF | An eBook with A Detailed Description and Practical Examples7 QC Tools PDF | An eBook with A Detailed Description and Practical Examples
7 QC Tools PDF | An eBook with A Detailed Description and Practical Examples
 
Activity Network diagram
Activity Network diagramActivity Network diagram
Activity Network diagram
 
Process Decision and Program Chart
Process Decision and Program ChartProcess Decision and Program Chart
Process Decision and Program Chart
 
New 7 QC Tools Module 5 | Prioritization matrices
New 7 QC Tools Module 5 | Prioritization matricesNew 7 QC Tools Module 5 | Prioritization matrices
New 7 QC Tools Module 5 | Prioritization matrices
 
New 7 QC Tools Module 4 | Matrix diagram
New 7 QC Tools Module 4 | Matrix diagramNew 7 QC Tools Module 4 | Matrix diagram
New 7 QC Tools Module 4 | Matrix diagram
 
New 7 QC Tools Module 3 | Tree diagram
New 7 QC Tools Module 3 | Tree diagramNew 7 QC Tools Module 3 | Tree diagram
New 7 QC Tools Module 3 | Tree diagram
 
New 7 QC Tools Module 2 | Interrelationship Digraph
New 7 QC Tools Module 2 | Interrelationship DigraphNew 7 QC Tools Module 2 | Interrelationship Digraph
New 7 QC Tools Module 2 | Interrelationship Digraph
 
New 7 QC Tools | 7 Management Development Tools
New 7 QC Tools | 7 Management Development ToolsNew 7 QC Tools | 7 Management Development Tools
New 7 QC Tools | 7 Management Development Tools
 
New 7 QC Tool-Module 1 | Affinity diagram
New 7 QC Tool-Module 1 | Affinity diagramNew 7 QC Tool-Module 1 | Affinity diagram
New 7 QC Tool-Module 1 | Affinity diagram
 
Course Catalog 2016 - 17
Course Catalog 2016 - 17Course Catalog 2016 - 17
Course Catalog 2016 - 17
 
7 qc tools and spc training, December. 2015
7 qc tools and spc training, December. 20157 qc tools and spc training, December. 2015
7 qc tools and spc training, December. 2015
 
Hypothesis testing; z test, t-test. f-test
Hypothesis testing; z test, t-test. f-testHypothesis testing; z test, t-test. f-test
Hypothesis testing; z test, t-test. f-test
 
Sharma narender; a brief profile
Sharma narender; a brief profileSharma narender; a brief profile
Sharma narender; a brief profile
 
Seven QC Tools Training; Quiz
Seven QC Tools Training; QuizSeven QC Tools Training; Quiz
Seven QC Tools Training; Quiz
 
Seven QC Tools Training; Control Charts (Mean Chart and Range Chart)
Seven QC Tools Training; Control Charts (Mean Chart and Range Chart)Seven QC Tools Training; Control Charts (Mean Chart and Range Chart)
Seven QC Tools Training; Control Charts (Mean Chart and Range Chart)
 
Seven QC Tools Training; Scatter Diagram
Seven QC Tools Training; Scatter DiagramSeven QC Tools Training; Scatter Diagram
Seven QC Tools Training; Scatter Diagram
 
Seven QC Tools Training; Process Flow Chart
Seven QC Tools Training; Process Flow ChartSeven QC Tools Training; Process Flow Chart
Seven QC Tools Training; Process Flow Chart
 
7 qc toolsTraining pdf
7 qc toolsTraining pdf7 qc toolsTraining pdf
7 qc toolsTraining pdf
 
Measure of dispersion part II ( Standard Deviation, variance, coefficient of ...
Measure of dispersion part II ( Standard Deviation, variance, coefficient of ...Measure of dispersion part II ( Standard Deviation, variance, coefficient of ...
Measure of dispersion part II ( Standard Deviation, variance, coefficient of ...
 
Measure of dispersion part I (Range, Quartile Deviation, Interquartile devi...
Measure of dispersion part   I (Range, Quartile Deviation, Interquartile devi...Measure of dispersion part   I (Range, Quartile Deviation, Interquartile devi...
Measure of dispersion part I (Range, Quartile Deviation, Interquartile devi...
 

Recently uploaded

Measures of Dispersion and Variability: Range, QD, AD and SD
Measures of Dispersion and Variability: Range, QD, AD and SDMeasures of Dispersion and Variability: Range, QD, AD and SD
Measures of Dispersion and Variability: Range, QD, AD and SDThiyagu K
 
Call Girls in Dwarka Mor Delhi Contact Us 9654467111
Call Girls in Dwarka Mor Delhi Contact Us 9654467111Call Girls in Dwarka Mor Delhi Contact Us 9654467111
Call Girls in Dwarka Mor Delhi Contact Us 9654467111Sapana Sha
 
Software Engineering Methodologies (overview)
Software Engineering Methodologies (overview)Software Engineering Methodologies (overview)
Software Engineering Methodologies (overview)eniolaolutunde
 
microwave assisted reaction. General introduction
microwave assisted reaction. General introductionmicrowave assisted reaction. General introduction
microwave assisted reaction. General introductionMaksud Ahmed
 
APM Welcome, APM North West Network Conference, Synergies Across Sectors
APM Welcome, APM North West Network Conference, Synergies Across SectorsAPM Welcome, APM North West Network Conference, Synergies Across Sectors
APM Welcome, APM North West Network Conference, Synergies Across SectorsAssociation for Project Management
 
BASLIQ CURRENT LOOKBOOK LOOKBOOK(1) (1).pdf
BASLIQ CURRENT LOOKBOOK  LOOKBOOK(1) (1).pdfBASLIQ CURRENT LOOKBOOK  LOOKBOOK(1) (1).pdf
BASLIQ CURRENT LOOKBOOK LOOKBOOK(1) (1).pdfSoniaTolstoy
 
Accessible design: Minimum effort, maximum impact
Accessible design: Minimum effort, maximum impactAccessible design: Minimum effort, maximum impact
Accessible design: Minimum effort, maximum impactdawncurless
 
Nutritional Needs Presentation - HLTH 104
Nutritional Needs Presentation - HLTH 104Nutritional Needs Presentation - HLTH 104
Nutritional Needs Presentation - HLTH 104misteraugie
 
CARE OF CHILD IN INCUBATOR..........pptx
CARE OF CHILD IN INCUBATOR..........pptxCARE OF CHILD IN INCUBATOR..........pptx
CARE OF CHILD IN INCUBATOR..........pptxGaneshChakor2
 
Student login on Anyboli platform.helpin
Student login on Anyboli platform.helpinStudent login on Anyboli platform.helpin
Student login on Anyboli platform.helpinRaunakKeshri1
 
Introduction to Nonprofit Accounting: The Basics
Introduction to Nonprofit Accounting: The BasicsIntroduction to Nonprofit Accounting: The Basics
Introduction to Nonprofit Accounting: The BasicsTechSoup
 
The basics of sentences session 2pptx copy.pptx
The basics of sentences session 2pptx copy.pptxThe basics of sentences session 2pptx copy.pptx
The basics of sentences session 2pptx copy.pptxheathfieldcps1
 
Advanced Views - Calendar View in Odoo 17
Advanced Views - Calendar View in Odoo 17Advanced Views - Calendar View in Odoo 17
Advanced Views - Calendar View in Odoo 17Celine George
 
Russian Call Girls in Andheri Airport Mumbai WhatsApp 9167673311 💞 Full Nigh...
Russian Call Girls in Andheri Airport Mumbai WhatsApp  9167673311 💞 Full Nigh...Russian Call Girls in Andheri Airport Mumbai WhatsApp  9167673311 💞 Full Nigh...
Russian Call Girls in Andheri Airport Mumbai WhatsApp 9167673311 💞 Full Nigh...Pooja Nehwal
 
Grant Readiness 101 TechSoup and Remy Consulting
Grant Readiness 101 TechSoup and Remy ConsultingGrant Readiness 101 TechSoup and Remy Consulting
Grant Readiness 101 TechSoup and Remy ConsultingTechSoup
 
POINT- BIOCHEMISTRY SEM 2 ENZYMES UNIT 5.pptx
POINT- BIOCHEMISTRY SEM 2 ENZYMES UNIT 5.pptxPOINT- BIOCHEMISTRY SEM 2 ENZYMES UNIT 5.pptx
POINT- BIOCHEMISTRY SEM 2 ENZYMES UNIT 5.pptxSayali Powar
 
Arihant handbook biology for class 11 .pdf
Arihant handbook biology for class 11 .pdfArihant handbook biology for class 11 .pdf
Arihant handbook biology for class 11 .pdfchloefrazer622
 
JAPAN: ORGANISATION OF PMDA, PHARMACEUTICAL LAWS & REGULATIONS, TYPES OF REGI...
JAPAN: ORGANISATION OF PMDA, PHARMACEUTICAL LAWS & REGULATIONS, TYPES OF REGI...JAPAN: ORGANISATION OF PMDA, PHARMACEUTICAL LAWS & REGULATIONS, TYPES OF REGI...
JAPAN: ORGANISATION OF PMDA, PHARMACEUTICAL LAWS & REGULATIONS, TYPES OF REGI...anjaliyadav012327
 
The Most Excellent Way | 1 Corinthians 13
The Most Excellent Way | 1 Corinthians 13The Most Excellent Way | 1 Corinthians 13
The Most Excellent Way | 1 Corinthians 13Steve Thomason
 
1029-Danh muc Sach Giao Khoa khoi 6.pdf
1029-Danh muc Sach Giao Khoa khoi  6.pdf1029-Danh muc Sach Giao Khoa khoi  6.pdf
1029-Danh muc Sach Giao Khoa khoi 6.pdfQucHHunhnh
 

Recently uploaded (20)

Measures of Dispersion and Variability: Range, QD, AD and SD
Measures of Dispersion and Variability: Range, QD, AD and SDMeasures of Dispersion and Variability: Range, QD, AD and SD
Measures of Dispersion and Variability: Range, QD, AD and SD
 
Call Girls in Dwarka Mor Delhi Contact Us 9654467111
Call Girls in Dwarka Mor Delhi Contact Us 9654467111Call Girls in Dwarka Mor Delhi Contact Us 9654467111
Call Girls in Dwarka Mor Delhi Contact Us 9654467111
 
Software Engineering Methodologies (overview)
Software Engineering Methodologies (overview)Software Engineering Methodologies (overview)
Software Engineering Methodologies (overview)
 
microwave assisted reaction. General introduction
microwave assisted reaction. General introductionmicrowave assisted reaction. General introduction
microwave assisted reaction. General introduction
 
APM Welcome, APM North West Network Conference, Synergies Across Sectors
APM Welcome, APM North West Network Conference, Synergies Across SectorsAPM Welcome, APM North West Network Conference, Synergies Across Sectors
APM Welcome, APM North West Network Conference, Synergies Across Sectors
 
BASLIQ CURRENT LOOKBOOK LOOKBOOK(1) (1).pdf
BASLIQ CURRENT LOOKBOOK  LOOKBOOK(1) (1).pdfBASLIQ CURRENT LOOKBOOK  LOOKBOOK(1) (1).pdf
BASLIQ CURRENT LOOKBOOK LOOKBOOK(1) (1).pdf
 
Accessible design: Minimum effort, maximum impact
Accessible design: Minimum effort, maximum impactAccessible design: Minimum effort, maximum impact
Accessible design: Minimum effort, maximum impact
 
Nutritional Needs Presentation - HLTH 104
Nutritional Needs Presentation - HLTH 104Nutritional Needs Presentation - HLTH 104
Nutritional Needs Presentation - HLTH 104
 
CARE OF CHILD IN INCUBATOR..........pptx
CARE OF CHILD IN INCUBATOR..........pptxCARE OF CHILD IN INCUBATOR..........pptx
CARE OF CHILD IN INCUBATOR..........pptx
 
Student login on Anyboli platform.helpin
Student login on Anyboli platform.helpinStudent login on Anyboli platform.helpin
Student login on Anyboli platform.helpin
 
Introduction to Nonprofit Accounting: The Basics
Introduction to Nonprofit Accounting: The BasicsIntroduction to Nonprofit Accounting: The Basics
Introduction to Nonprofit Accounting: The Basics
 
The basics of sentences session 2pptx copy.pptx
The basics of sentences session 2pptx copy.pptxThe basics of sentences session 2pptx copy.pptx
The basics of sentences session 2pptx copy.pptx
 
Advanced Views - Calendar View in Odoo 17
Advanced Views - Calendar View in Odoo 17Advanced Views - Calendar View in Odoo 17
Advanced Views - Calendar View in Odoo 17
 
Russian Call Girls in Andheri Airport Mumbai WhatsApp 9167673311 💞 Full Nigh...
Russian Call Girls in Andheri Airport Mumbai WhatsApp  9167673311 💞 Full Nigh...Russian Call Girls in Andheri Airport Mumbai WhatsApp  9167673311 💞 Full Nigh...
Russian Call Girls in Andheri Airport Mumbai WhatsApp 9167673311 💞 Full Nigh...
 
Grant Readiness 101 TechSoup and Remy Consulting
Grant Readiness 101 TechSoup and Remy ConsultingGrant Readiness 101 TechSoup and Remy Consulting
Grant Readiness 101 TechSoup and Remy Consulting
 
POINT- BIOCHEMISTRY SEM 2 ENZYMES UNIT 5.pptx
POINT- BIOCHEMISTRY SEM 2 ENZYMES UNIT 5.pptxPOINT- BIOCHEMISTRY SEM 2 ENZYMES UNIT 5.pptx
POINT- BIOCHEMISTRY SEM 2 ENZYMES UNIT 5.pptx
 
Arihant handbook biology for class 11 .pdf
Arihant handbook biology for class 11 .pdfArihant handbook biology for class 11 .pdf
Arihant handbook biology for class 11 .pdf
 
JAPAN: ORGANISATION OF PMDA, PHARMACEUTICAL LAWS & REGULATIONS, TYPES OF REGI...
JAPAN: ORGANISATION OF PMDA, PHARMACEUTICAL LAWS & REGULATIONS, TYPES OF REGI...JAPAN: ORGANISATION OF PMDA, PHARMACEUTICAL LAWS & REGULATIONS, TYPES OF REGI...
JAPAN: ORGANISATION OF PMDA, PHARMACEUTICAL LAWS & REGULATIONS, TYPES OF REGI...
 
The Most Excellent Way | 1 Corinthians 13
The Most Excellent Way | 1 Corinthians 13The Most Excellent Way | 1 Corinthians 13
The Most Excellent Way | 1 Corinthians 13
 
1029-Danh muc Sach Giao Khoa khoi 6.pdf
1029-Danh muc Sach Giao Khoa khoi  6.pdf1029-Danh muc Sach Giao Khoa khoi  6.pdf
1029-Danh muc Sach Giao Khoa khoi 6.pdf
 

Quantitative Methods : Previous Solved Paper Feb. 2012, with Answer Key

  • 1. Shakehand with Life “Promoting quality culture in every sphere of human life” Page 0 By Narender Sharma “Save Paper, Save Trees, Save Environment” Year - 2012 Previous Solved Paper Feb.2012 MBA, MDU, DDE Rohtak. 70 Multiple choice questions with Answer Key E-Book Code : QTSPFEB12 ShakehandwithLife.in
  • 2. www.shakehandwithlife.in Page 1 www.shakehandwithlife.in E-mail : shakehandwithlife@gmail.com , narender@shakehandwithlife.in Click on Contents Multiple Choice Questions ............................................................................................................................................................................ 2 Answer Key ..................................................................................................................................................................................................... 13 Feedback ........................................................................................................................................................................................................... 13
  • 3. www.shakehandwithlife.in Page 2 Multiple Choice Questions Que. 1. A polynomial of degree……………….. is a linear function and that of degree………….is a quadratic function : A) 1, 0 B) 2, 1 C) 1, 2 D) 0, a Que. 2. The zeros of the function 1 1 are : A) 2, 3 B) 2, 4 C) 0, 0 D) 0, 1 Que. 3. A firm produces and market a single product at a price of Rs. 17.50 per unit. Total fixed cost is Rs. 20,000 daily. The unit variable cost is Rs. 5.00. How many units per day must be produced that the firm breaks even? A) 1200 B) 2000 C) 2400 D) 1600 Que. 4. A firm produces and markets dry cells. The daily cost of production for q number of cells is C(q)= 3.5q+12000. If each cell is sold for Rs. 5.50, the minimum daily production output to ensure no loss is : A) 8000 cells B) 7000 cells C) 6000 cells D) 5000 cells Que. 5. The sum of three numbers in AP is 15 and their product is 105. Two numbers out of these numbers are: A) 2 , 5 B) 2 , 3 C) 5 , 3 D) 4 , 3 Que. 6. Three numbers are in GP whose sum is 35 and whose product is 1000. One of the numbers is : A) 10 B) 15 C) 18 D) 27 Que. 7. If [ 1 ] [ ] then xy ……… : A) 90 B) -90 C) 135 D) -135 Que. 8. For a non-singular matrix A , ………… :
  • 4. www.shakehandwithlife.in Page 3 A) A |A| Adj A B) Adj A |A|A C) Adj A A D) Adj A |A|A Que. 9. What is the sum of five terms of an AP whose 20th term is 41 and 39th term is 79 ? A) 28 B) 35 C) 42 D) 33 Que. 10. The 9th term of a GP whose 3rd term is 1 and 6th term is is ………………….. , A) B) C) D) Que. 11. Matrix A has x rows and x+5 columns , matrix B has y rows and 11-y columns. If both AB and BA exist , then : A) x=8 B) x=5 C) y=8 D) y=5 Que. 12. The sum of three numbers in AP is 18. If 2, 4 and 11 are added to them respectively, the resulting numbers are in GP. One of these numbers is : A) B) C) D) Que. 13 . If x and y are two real numbers, then | |……….| | | |: A) > B) < C) D) Que. 14. If [ 1 ], [ 1 1 ] and the elements of the matrix X are ………….and ……………respectively : A) , B) , C) , D) , Que. 15 Which of the following is not correct? A) ( )