Probability Quiz-3 for IBPS PO

1) X contains { 2, 3, 4, 5, 6 } as its elements then probability of modulus (X-3) < 2 ?

A. 2/5
B. 1/5
C. 4/5
D. 3/5

2) In an examination, 'A' s probability of passing is 0.4 and 'B's probability of passing is 0.6 . Then what is the probability of atleast one of them passing ?

A. 0.8
B. 0.75
C. 0.84
D. 0.9

3) Two digit numbers are formed using { 0, 2, 3, 4, 5 } then what is the probability of the 2 digit number being divisible by 2 or 5 ?

A. 3/4
B. 11/16
C. 13/16
D. 7/16

4) There are 2 jars, one contains 2 white, 3 black balls and other jar contains 3 white, 2 black balls then if 3 balls are drawn one of the jar then what is the probability of 2 being black and 1 being white ?

A. 9/10
B. 7/10
C. 9/20
D. 7/20

5) A committee  of 3 persons has to be formed from 4 women and 3 men. Then what is the probability of having atleast one woman in the committee ?

A. 16/35
B. 29/35
C. 34/35
D. 24/35

6) In a class of 100 students, 20 like both maths and physics, 10 like both physics and biology and 5 like both maths and biology. There are 50 students who like only one subject. Then probability of choosing a student who likes all 3 subjects ?

A. 1/4
B. 1/5
C. 3/20
D. 3/10 

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