Question

a number exceeds 20%of itself by 40 then the number is

Answer 1

Hi...!

Let the no be x .

20 % of x = 20x/100

According to question , x > 20x/100 by 40

⇒ x - 20x/100 = 40 (taking lcm of 1 and 100 as 100)

⇒ 80x/100 = 40

⇒80x = 40*100

⇒x = 4000/80 = 50

Answer : Hence, the required number is 50 .