Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

Let there be two newly launched phones A and B. The probability that phone A has good battery life is 0.7 and the probability that phone B has good battery life is 0.8. Then find the probability that a phone has a good battery life.

A. 0.65
B. 0.75
C. 0.85
D. 0.45
Answer» C. 0.85
2.

The probability that person A completes all the tasks assigned is 50% and that of person B is 20%. Find the probability that all the tasks are completed.

A. 0.15
B. 0.25
C. 0.35
D. 0.45
Answer» D. 0.45
3.

In badminton practice session, the probability that the player A serves properly is 0.8 and that he player B serves properly is 0.9. If there are only two players, then find the probability that it is serves properly.

A. 0.75
B. 0.85
C. 0.95
D. 0.55
Answer» C. 0.95
4.

Total probability theorem is used in Baye’s theorem.

A. True
B. False
Answer» B. False
5.

The probability that the political party A does a particular work is 30% and the political party B doing the same work is 40%. Then find the probability that the work is completed if the probability of choosing the political party A is 40% and that of B is 60%.

A. 0.12
B. 0.24
C. 0.36
D. 0.48
Answer» D. 0.48
6.

A problem is given to 5 students P, Q, R, S, T. If the probability of solving the problem individually is 1/2, 1/3, 2/3, 1/5, 1/6 respectively, then find the probability that the problem is solved.

A. 0.47
B. 0.37
C. 0.57
D. 0.27
Answer» C. 0.57
7.

Suppose 5 men out of 100 men and 10 women out of 250 women are colour blind, then find the total probability of colour blind people. (Assume that both men and women are in equal numbers.)

A. 0.45
B. 0.045
C. 0.05
D. 0.5
Answer» C. 0.05
8.

Company A produces 10% defective products, Company B produces 20% defective products and C produces 5% defective products. If choosing a company is an equally likely event, then find the probability that the product chosen is defective.

A. 0.22
B. 0.12
C. 0.11
D. 0.21
Answer» C. 0.11
9.

If 40% of boys opted for maths and 60% of girls opted for maths, then what is the probability that maths is chosen if half of the class’s population is girls?

A. 0.5
B. 0.6
C. 0.7
D. 0.4
Answer» B. 0.6
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