# MCQ for CA Foundation Maths Chapter 15 PROBABILITY

Sample Multiple Choice Questions (MCQ's) for CA Foundation - Paper 3 - Business Mathematics and Logical Reasoning & Statistics - Chapter 15 PROBABILITY - For Practice relevant for Dec 22 and May/June 23 Examinations

Q: 1 The following table gives distribution of wages of 100 workers-

 Wages(in Rs) 120-140 140-160 160-180 180-200 200-220 220-240 240-260 No. of workers 9 20 0 10 8 35 18

The probability that his wages are under Rs 140 is

1. 20/100
2. 9/100
3. 29/100
4. none

Q:2 The chance of getting a sum of 10 in a single throw with two dice is

1. 10/36
2. 1/12
3. 5/36
4. none

Q:3 Two unbiased coins are tossed. The probability of obtaining at least one head is

1. 1/4
2. 2/4
3. 3/4
4. none

Q:4 If events A and B are independent, the probability of occurrence of A as well as B is given by

1. P(AB)= P(A/B)
2. P(AB)= P(A)/P(B)
3. P(AB)= P(A)P(B)
4. None

Q:5 If P (A)= ¼, P(B)= , P (A+B)=½  then P(AB)is equal to

1. 3/4
2. 2/20
3. 13/20
4. 3/20

Q:6 If two events are independent then

1. P(B/A)=P(AB) P(A)
2. P(B/A)= P(AB) P(B)
3. P(B/A)= P(B)
4. P(B/A)= P(A)

Q:7 Two dice are thrown at a time. The probability that the numbers shown are equal is

1. 2/6
2. 5/6
3. 1/6
4. none

Q:8 IF P(A)=3/8, P(B)= 1/3 and P(AB)=1/4 then P(AC) is equal to

1. 5/8
2. 3/8
3. 1/8
4. none

Q:9 If the probability of a horse A winning a race is 1/6 and the probability of a horse B winning the same race is 1/4, What is the probability that none of them will win

1. 5/12
2. 7/12
3. 1/12
4. none

Q:10 In a class 40 % students read Mathematics, 25 % Biology and 15 % both Mathematics and Biology. One student is select at random. The probability that he reads Biology if he reads Mathematics

1. 7/8
2. 1/8
3. 3/8
4. none