Question

A number increased by 15% becomes 391. Find the number

Answer 1

Let the number be X ( because we don’t know it , and we should find it ) given that when the number - X is increased by 15% it becomes 391 that means ..... X+15%of x = 391.... that is X+(X*15/100) = 391 ... that is when we solve , 23X=782 ... means X = 340 is the ans