**CBSE Class 9 Maths – MCQ and Online Tests – Unit 15 – Probability**

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**CBSE Class 9 Maths – MCQ and Online Tests – Unit 15 – Probability**

Question 1.

The sum of the probabilities of all events of a trial is

(a) 1

(b) greater than 1

(c) less than 1

(d) between 0 and 1

## Answer

Answer: (a) 1

Question 2.

In a sample study of 640 people, it was found that 512 people have a high school certificate. If a person is selected at random, the probability that the person has a high school certificate is:

(a) 0.5

(b) 0.6

(c) 0.7

(d) 0.8

## Answer

Answer: (d) 0.8

Question 3.

The probability that a number selected at random from the numbers 1, 2, 3, …, 15 is a multiple of 4 is

(a) \(\frac{4}{15}\)

(b) \(\frac{2}{15}\)

(c) \(\frac{1}{5}\)

(d) \(\frac{1}{3}\)

## Answer

Answer: (c) \(\frac{1}{5}\)

Question 4.

In a survey of 364 children aged 19-36 months, it was found that 91 liked to eat potato chips. If a child is selected at random, the probability that he/she does not like to eat potato chips is:

(a) 0.25

(b) 0.50

(c) 0.75

(d) 0.80

## Answer

Answer: (c) 0.75

Question 5.

Two coins are tossed 1000 times and the outcomes are recorded as below:

The probability of getting at the most one head is:

(a) \(\frac{1}{5}\)

(b) \(\frac{1}{4}\)

(c) \(\frac{4}{5}\)

(d) \(\frac{3}{4}\)

## Answer

Answer: (c) \(\frac{4}{5}\)

Question 6.

When a die is thrown, the probability of getting an odd number less than 4 is

(a) \(\frac{1}{6}\)

(b) \(\frac{1}{3}\)

(c) \(\frac{1}{2}\)

(d) 0

## Answer

Answer: (b) \(\frac{1}{3}\)

Question 7.

A bag contains 16 cards bearing number 1, 2, 3 …., 16 respectively. One card is drawn at random. What is the probability that a number is divisible by 3?

(a) \(\frac{3}{16}\)

(b) \(\frac{5}{16}\)

(c) \(\frac{11}{16}\)

(d) \(\frac{13}{16}\)

## Answer

Answer: (b) \(\frac{5}{16}\)

Question 8.

Which of the following cannot be the empirical probability of an event?

(a) \(\frac{2}{3}\)

(b) \(\frac{3}{2}\)

(c) 0

(d) 1

## Answer

Answer: (b) \(\frac{3}{2}\)

Question 9.

A die is thrown 300 times and odd numbers are obtained 153 times. Then the probability of getting an even number is

(a) \(\frac{153}{300}\)

(b) \(\frac{147}{300}\)

(c) \(\frac{174}{300}\)

(d) \(\frac{147}{153}\)

## Answer

Answer: (b) \(\frac{147}{300}\)

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