A shopkeeper marked a watch at ₹800. He sold it after allowing a 15% discount; if his profit on the sale was 20%, what was the cost price of the watch?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3 i.e. ₹566.67.
SP = 800 × 85/100 = 680
CP = 680 × 100/120 = 566.67