NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 7: Comparing Quantities - Problems and Solutions
Question 109

Question. 109

By selling a chair for ₹ 1440, a shopkeeper loses 10%. At what price did he buy it?

Answer:

₹ 1600

Detailed Answer with Explanation:

SP = 1440, Loss% = 10.
CP = SP × 100/(100 - Loss%) = 1440 × 100/90 = 1600.