Rashid sells a book at a gain of 20%. If he had sold it at ₹34.51 more, he would have gained 37%. The cost price (in ₹) of the book is:
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3 i.e. 203.
Let the cost price be ₹x
Selling price at 20% gain = ₹1.2x
Selling price at 37% gain = ₹1.37x
⇒ 1.37x − 1.2x = 34.51
⇒ 0.17x = 34.51
⇒ x = 34.51 ÷ 0.17 = ₹203