EASY
IBPS PO Mains
IMPORTANT
Earn 100
The number of ways in which one or more balls can be selected out of white, green and blue balls is
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Important Questions on Permutation, Combination & Probability
MEDIUM
IBPS PO Mains
IMPORTANT
If persons are seated in a row, the number of ways of selecting persons from them, so that no two of them are seated next to each other is
MEDIUM
IBPS PO Mains
IMPORTANT
The number of all possible selections of one or more questions from given questions, each question having an alternative is:
EASY
IBPS PO Mains
IMPORTANT
A five-digit number is formed with the digits and without repetition. Find the chance that the number is divisible by .
EASY
IBPS PO Mains
IMPORTANT
AIl possible two factors products are formed from the numbers . The number of factors out of total obtained which are multiples of is
MEDIUM
IBPS PO Mains
IMPORTANT
A bucket contains red, blue and green marbles. if marbles are drawn at random, what is the probability that are red and are blue?
EASY
IBPS PO Mains
IMPORTANT
A bucket contains red, blue and green marbles. If marbles are drawn at random, what is the probability that both are green?
EASY
IBPS PO Mains
IMPORTANT
A bucket contains red, blue and green marbles. If marbles are drawn at random, what is the probability that none is red?
EASY
IBPS PO Mains
IMPORTANT
There are a total of men and women in a group out of which men are teachers, men are doctors and is a businessman. Among the women, are teachers, are doctors, are researchers and is a social worker. Find the number of ways in which a committee of members can be formed in which there are men and women.
