self Maths Puzzle

50!/(15)^16
what is the remainder

Read Solution (Total 4)

self Other Question

A man can walk up a moving 'UP' escalator in 30s . the same man can walk down in the moving 'UP' escalator in 90s. assume that his walking speed is same upward and downward . how much time he takes to walk up the escalator when it is not moving. A child was asked to add first few natural numbers(that is 1+2+3+4+5....)so long as his patience permitted . as he stopped he gave the sum as 575. when the teacher declred the result wrong , the child discovered he had missed one number in the sequence during addition . the no. he missed was?