अंकों की पुनरावृत्ति किए बिना, अंकों 0, 3 और 5 का उपयोग करके कितनी अलग-अलग तीन अंकों की संख्याएँ बनाई जा सकती हैं?

If nC5 = nC2, find the value of nC7.

According to Pascal's identity, the value of nCr + nCr-1 is equal to:

Find the total number of permutations of all the letters in the word 'VARANASI'.

In how many ways can a school schedule 5 exams so that Mathematics and Science subjects are never together?

In how many ways can a committee consisting of 1 President and 1 Secretary be formed from a group of 5 men?

How many 4-digit numbers can be formed using the distinct digits from the set {0, 1, 2, 3, 4, 5} without repetition?

Find the expression for the number of ways to arrange 6 different books on a shelf.

If nC2 = 36, find the value of n.