In the next World cup of cricket there will be 12 teams, divided equally in two groups. Teams of each group will play a …

In a hockey championship, there are 153 matches played. Every two team played one match with each other. The number of t…

I have an amount of Rs. 10 lakh, which I went to invest in stocks of some companies. I always invest only amounts that a…

In how many ways can 6 green toys and 6 red toys be arranged, such that 2 particular red toys are never together whereas…

In how many different ways can the letters of the word ‘TRANSPIRATION’ be arranged so that the vowels always…

How many alphabets need to be there in a language if one were to make 1 million distinct 3 digit initials using the alph…

In how many ways can the letters of the word ABACUS be rearranged such that the vowels always appear together?

In how many ways can 5 different toys be packed in 3 identical boxes such that no box is empty, if any of the boxes may …