In how many ways can the letters of the word MANAGEMENT be rearranged so that th
In how many ways can the letters of the word MANAGEMENT be rearranged so that the two As do not appear together?
How many 3-digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 9, whic
How many 3-digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 9, which are divisible by 5 and none…
How many numbers are there between 100 and 1000 such that at least one of their
How many numbers are there between 100 and 1000 such that at least one of their digits is 6?
In how many ways a committee, consisting of 5 men and 6 women can be formed from
In how many ways a committee, consisting of 5 men and 6 women can be formed from 8 men and 10 women?
A student is required to answer 6 out of 10 questions divided into two groups ea
A student is required to answer 6 out of 10 questions divided into two groups each containing 5 questions. He is not permitted to…
A box contains 2 white balls, 3 black balls and 4 red balls. In how many ways ca
A box contains 2 white balls, 3 black balls and 4 red balls. In how many ways can 3 balls be drawn from the…
While packing for a business trip Mr. Debashis has packed 3 pairs of shoes, 4 pa
While packing for a business trip Mr. Debashis has packed 3 pairs of shoes, 4 pants, 3 half-pants,6 shirts, 3 sweater and 2 jackets….
In how many different ways can the letters of the word ‘DETAIL’ be arranged in s
In how many different ways can the letters of the word ‘DETAIL’ be arranged in such a way that the vowels occupy only the…
How many positive integers ‘n’ can be form using the digits 3, 4, 4, 5, 6, 6, 7
How many positive integers ‘n’ can be form using the digits 3, 4, 4, 5, 6, 6, 7 if we want ‘n’ to exceed…
20 men handshake with each other without repetition. What is the total number of
20 men handshake with each other without repetition. What is the total number of handshakes made?
The number of ways of arranging n students in a row such that no two boys sit to
The number of ways of arranging n students in a row such that no two boys sit together and no two girls sit together…
In how many different ways can the letters of the word OPERATE be arranged ?
In how many different ways can the letters of the word OPERATE be arranged ?