2. 1) A six faced die is tossed and the number
that appears on its top face is noted.
If the number that appeared on its top face
is x, then which of the following
values cannot be taken by x ?
A) x is an even number less than 7.
B) x is an odd number less than 8.
C) x is a prime number less than 6.
D) x is a composite number less than 7.
3. 2) Rohan draws a card from a deck of 52 cards. Each
time when he draws a card, he notes the result and places
the card back in the deck. He does this experiment 100
times. The table given below shows the occurrence of each
type of card.
What is the difference between the probabilities of drawing a black card
and a red card?
A) 0.22
B) 0.20
C) 0.16
D) 0.06
Heart Diamond Spade Club
27 13 34 26
4. 3) Nitin tosses a coin for a certain number of times. After
the experiment, he notes that the probability of getting
heads is 0.8.
If he had tossed 320 tails in the experiment, then how many times did
he toss the coin?
A) 64
B) 256
C) 400
D) 1600
5. Number
on the top
face of
the dice
Frequency
4) A dice was rolled 500 times. The given frequency
distribution table shows the frequency of each outcome:
1 83
2 69
3 83
4 91
5 68
If the dice is tossed once more, then what is the probability of getting 6
on its top face?
A) 83/500
B) 53/250
C) 197/250
D) 417/500
6. 5) The following table shows the marks scored by a group
of 50 girls in an English test of 100 marks:
Marks 0 – 20 20 – 40 40 – 60 60 – 80 80 – 100
Number of
8 15 9 8 10
students
Suppose a girl is chosen at random. The probability that the chosen girl
obtain
(i) 40 or more marks
(ii) less than 60% marks are given by:
A)
B)
C)
D)
7. 6) In an investigation conducted in a bulb manufacturing
unit, it is observed that 4.8% of the bulbs in a particular
carton are defective.
What is the probability that a bulb randomly chosen from the carton
is non-defective?
A) 0.048
B) 0.48
C) 0.52
D) 0.952
8. 7) If a coin is tossed 2,000 times and head is observed 989
times, then the experimental probability of getting heads is
A) 0.316 9
B) 0.356 7
C) 0.428 1
D) 0.494 5
9. 8) Which of the following methods will help the people of
Dhanu's village to find work without having to leave their
village?
A) Buying their own land
B) Borrowing money from the mukadam.
C) Putting up a sugarcane factory in the village itself
D) Finding some means of irrigating the field other than depending on
rainwater.
10. 9) A dice is thrown 100 times and its outcome is noted each time.
The given table shows the number of times each number
appeared on the dice.
Face
value
1 2 3 4 5 6
Freque
ncy
15 12 17 20 15 21
What is the probability that the obtained face value of the dice is a
multiple of 3?
A) 0.38
B) 0.47
C) 0.53
D) 0.62
