Mathematics Past Questions and Answers

A child has four pockets and three marbles. In how many ways can the child put his marbles in his pockets

An accurate clock shows 80 'clock in the morning. Through how many degrees will the hand rotate when the clock shows \(20^{\prime}\) 'clock in the afternoon?

Peter is 15 years older than Kenneth. If 5 years ago, Peter was 3 times as old as Kenneth, then find Peter's present age?

To a certain number 7 is added to the sum is multiplied by five and the product is divided by nine, then three is subtracted from the quotient, and the remainder left is twelve?

A number with only two factor is called?