Question

The sum of three consecutive number is 156. Find the number which is a multiple of 13 out of these number.

Answer 1

Let the nos. be, x-1, x, x+1

∴x-1+x+x+1=156

⇒3x=156

⇒x= 156/3

⇒x=52

∴the nos. are 51, 52, 53

Out of these, 52 is a multiple of 13.

Hope it helps.........