Question

By selling an article for 1600 rupee,a shopkeeper loses 20%. For how much should he sell it to gain 20?

Answer 1

let CP be X

80% of X = 1600

X = 1600× 100/80 = 2000

To gain 20%

he should sell at 120% of X = 120 ×2000/100 = 2400

Answer 2

let CP be X

80% of X = 1600

X = 1600× 100/80 = 2000

To gain 20%

he should sell at 120% of X = 120 ×2000/100 = 2400