List of top Mathematics Questions on permutations and combinations asked in IIT JAM MA

Let \(\binom{n}{r}\) denote the number of ways of choosing \(r\) distinct objects out of \(n\) distinct objects. Then,

A fruit shop has \(4\) different types of bananas. The number of ways in which \(12\) bananas can be bought with at least one banana from each type, is .

Let \( \binom{n}{r} \) denote the number of ways of choosing \( r \) distinct objects out of \( n \) distinct objects.