The number of ways in which we can choose 2 distinct integers from 1 to 100 such that difference between them is at most 10 is

The number of ways in which we can choose 2 distinct integers from 1 to 200 so that the differecne between them is atmost 20 is

The number of ways in which we can choose two positive integers from 1 to 100 such that their product is multiple of 3 is

The number of ways in which we can choose two positive integers from 1 to 100 such that their product is multiple of 3 is

The number of ways in which we can choose two positive integers from 1 to 100 such that their product is a multiple of 3 is

The number of ways in which one can select three distinct integers between 1 and 30, both inclusive, whose sum is even, is a):455 b)1575 c)1120 d)2030

The number of ways in which 15 boys and 2 girls can sit in a row such that between the girls at the most 2 boys sit is

The number of ways in which 15 boys and 2 girls can sit in a row such that between the girls at the most 2 boys sit is

The number of ways in which n distinct balls can be put into three boxes, is

The number of ways in which n distinct balls can be put into three boxes, is