exam Maths Puzzle

If represents the number of combinations of n items taken r at a time,
what is the value of ?

Read Solution (Total 0)

exam Other Question

In how many ways can 3 different vases be arranged on a tray? How many five digit positive integers that are divisible by 3 can be formed using the digits 0, 1, 2, 3, 4 and 5, without any of the digits getting repeated in a number?