A box contains n coins, of which 7 of them are counterfeit with tails on both sides and the rest are fair coins. If one coin is selected from the bag and tossed, the probability of getting a tail is 17/20. Find the value of ‘n’.
Find the largest possible value of positive integer N, such that N! can be expressed as the product of (N-4) consecutive positive integers?
Find the smallest possible positive value of 33^m - 7^n
where m,n are positive integers...
