In which year Timur’s invasion of Delhi took

A group consists of 6 boys and 8 girls. In how many ways can 2 boys and 3 girls be selected from the group?

How many four-letter words without repetition having exactly two vowels can be formed by using the letters of the word "SEMINAR"?

A person has 12 friends out of which 7 are relatives. In how many ways can he invite 6 friends such that at least 4 of them are relatives?

In a group of 9 boys and 6 girls, 5 students have to be selected. In how many ways it can be done so that only 2 boys are included.

There are 14 candidates for 5 post. In how many different ways can be post be filled?

In how ways can the selection be made so that a particular member is always included?

How many 6-digit numbers can be formed from the digits 0,3,4,5,6 and 8, in which the digits are not repeated?

How many 4-digit numbers can be formed using digits 1 to 6 without repetition, such that the number is even?