Question

A person sold a book at 20 %profit .if he had bought it at 10% less cost and sold for 90more then he would have gained 40% profit find cost price of book.

Answer 1

Answer:

let CP of book be Rs x

SP = Rs 1.2x

New CP = Rs 0.9x

New SP = Rs 1.2x + 90

ATQ, 0.9x ×  

140

100

= 1.2x + 90

1.26x = 1.2x + 90

x = Rs 1500

Step-by-step explanation: