Question

Ishita sold a book worth rs. 200 at a profit of 20 % to rohan. Rohan sells it at a loss of 10% to rishi. What did rishi pay for his book ?

Answer 1

Cost of book = 200
Profit 20%   = 40
Sold to Rohan at = 200+40 =240

Rohan sold at 10% loss = 240*10% = 24

Sold to Rishi at = 240-24 = 216.

Rishi paid Rs.216 for the book

Answer 2

Given= 
Cost Price =Rs. 200
Profit 20%  
= 20/100 × 200 = 40.

Book  Sold to Rohan at = 200+40 = Rs 240

Rohan sold book to rishi at 10% loss = 240×10/100 = 24

Book  Sold to Rishi at = 240-24 = Rs 216.

Rishi pay Rs.216 for the book.