The price of a book is first increased by 10% and then again by 20%. If the price of the book after both increments is ₹33, then the original price (in ₹) of the book is:
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e 25.
Let the original price be x.
Price becomes = x × 1.10
Price becomes = x × 1.10 × 1.20 = x × 1.32
So,
⇒ x × 1.32 = 33
⇒ x = 33 ÷ 1.32 = ₹25