Question

Printed price 5500rs.shopkeeper gives 10 %discount on this printed price and yet he gets 10% profit.what is cost price

Answer 1

Answer:

PP=5500

D=10%

SP=PP-D

SP=5500-10/100*5500

SP=4950

P=10%

CP=SP-P

CP=4950-10/100CP

CP=4950-1/10CP

CP+1/10CP=4950

11/10CP=4950

CP=4950*10/11

CP=4500