Probability Questions for Bank PO Exams – SBI PO, NIACL, NICL, BoB PO, IBPS PO, and other exams

- There are 100 tickets in a box numbered 1 to 100. 3 tickets are drawn at one by one. Find the probability that the sum of number on the tickets is odd.

A) 2/7

B) 1/2

C) 1/3

D) 2/5

E) 3/7

- There are 4 green and 5 red balls in first bag. And 3 green and 5 red balls in second bag. One ball is drawn from each bag. What is the probability that one ball will be green and other red?

A) 85/216

B) 34/75

C) 95/216

D) 35/72

E) 13/36

- A bag contains 2 red, 4 blue, 2 white and 4 black balls. 4 balls are drawn at random, find the probability that at least one ball is black.

A) 85/99

B) 81/93

C) 83/99

D) 82/93

E) 84/99

- Four persons are chosen at random from a group of 3 men, 3 women and 4 children. What is the probability that exactly 2 of them will be men?

A) 1/9

B) 3/10

C) 4/15

D) 1/10

E) 5/12

- Tickets numbered 1 to 120 are in a bag. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5?

A) 8/15

B) 5/16

C) 7/15

D) 3/10

E) 13/21

- There are 2 people who are going to take part in race. The probability that the first one will win is 2/7 and that of other winning is 3/5. What is the probability that one of them will win?

A) 14/35

B) 21/35

C) 17/35

D) 19/35

E) 16/35

- Two cards are drawn at random from a pack of 52 cards. What is the probability that both the cards drawn are face card (Jack, Queen and King)?

A) 11/221

B) 14/121

C) 18/221

D) 15/121

E) 14/221

- A committee of 5 people is to be formed from among 4 girls and 5 boys. What is the probability that the committee will have less number of boys than girls?

A) 7/12

B) 7/15

C) 6/13

D) 5/14

E) 7/13

- A bucket contains 2 red balls, 4 blue balls, and 6 white balls. Two balls are drawn at random. What is the probability that they are not of same color?

A) 5/11

B) 14/33

C) 2/5

D) 6/11

E) 2/3

- A bag contains 5 blue balls, 4 black balls and 3 red balls. Six balls are drawn at random. What is the probability that there are equal numbers of balls of each color?

A) 11/77

B) 21/77

C) 22/79

D) 13/57

E) 15/77

probability :||

i skip

2nd q? mine ans is 35/72

4/9*5/8 + 5/9*3/8 = 35/72

yes yes

5 ki jagah 4 se calculate kar diya

So Prob. (At least 1 black) = 1 – (8C4/12C4) = 14/99

Admin see that

So Prob. (At least 1 black) = 1 – (8C4/12C4) = 1-14/99=85/99 hoga

qs no 3

Yes yes

thank u mam…:)

Thank you mam

8th ka solution correct h ky

prob. that sum of number on the tickets is

oddto be found8 th question answer is 5/14 please correct it

by the way thank you very much for the questions they are really good and helpful tooo

ty az:)