Question

a number is 56 greater than the average of its third ,quarter and one-twelfth

Answer 1

let the number is x

according to question
x=56 +(x/3+x/4+x/12)/3
x =56 + (8x/12)/3
x =56 + 2x/9
x-2x/9=56
7x/9=56
x=72
hence number is 72