Made By: Saurav SinghClass : IX-FRoll No: 45

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.

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) 0.22B) 0.20C) 0.16D) 0.06

Heart Diamond Spade Club

27 13 34 26

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) 64B) 256C) 400D) 1600

4) A dice was rolled 500 times. The given frequency distribution table shows the frequency of each outcome:

If the dice is tossed once more, then what is the probability of getting 6 on its top face?A) 83/500B) 53/250C) 197/250D) 417/500

Number on the top

face of the dice

Frequency

1 83

2 69

3 83

4 91

5 68

5) The following table shows the marks scored by a group of 50 girls in an English test of 100 marks:

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)

Marks 0 – 20 20 – 40 40 – 60 60 – 80 80 – 100

Number of students

8 15 9 8 10

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) 0.048B) 0.48C) 0.52D) 0.952

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 9B) 0.356 7C) 0.428 1D) 0.494 5

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 landB) Borrowing money from the mukadam.C) Putting up a sugarcane factory in the village itselfD) Finding some means of irrigating the field other than depending on rainwater.

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.

What is the probability that the obtained face value of the dice is a multiple of 3?A) 0.38B) 0.47C) 0.53D) 0.62

Face value

1 2 3 4 5 6

Frequency

15 12 17 20 15 21