In how many different ways can the letters of the word SMART be arranged?

In an examination paper, there are two groups each containing 4 questions. A candidate is required to attempt 5 question…

A teacher of 6 students takes 2 of his students at a time to a zoo as often as he can, without taking the same pair of c…

In how many different ways can the letters of the word BANKING be arranged in such a way that the vowels always come tog…

A select group of 4 is to be formed from 8 men and 6 women in such a way that the group must have at least 1 women. In h…

How many 4-letter words with or without meaning, can be formed out of the letters of the word, 'LOGARITHMS', if repetiti…

A tea expert claims that he can easily find out whether milk or tea leaves were added first to water just by tasting the…

A committee of 5 members is to be formed by selecting out of 4 men and 5 women. In how many different ways the committee…