Question

A shopkeeper allows 10% discount and still gain 10% what is the cost price of a book which is marked at 220 rupees

Answer 1

discount = 10%
gain = 10%
mp =220
sp = 110×220/100=242
cp=100×242/110 = 220

Answer 2

$\huge\red{Answer\: is}$


MP = ₹ 220

DISCOUNT = 10%

SP = 220(100-10)/100. = ₹ 198

PROFIT = ₹ 10%

CP = 198 x 100/(100+10).

= ₹ 180. Answer

$\huge\blue{be\: brainly}$