If cost prices of 100 note books is same as selling price of 80 note books. What is the percent gain?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 25%
⇒ 100 × Cost Price = 80 × Selling Price
⇒ Selling Price/Cost Price = 5/4
⇒ Profit = SP - CP = 1
⇒ Profit% = (1/4) × 100
⇒ 25%