RRB NTPC · Question 84
A shopkeeper purchased a stereo system of marked price Rs. 2000, at successive discounts of 10% & 15% respectively. He then spent Rs. 70 on the packaging and sold it at Rs. 2000. Calculate the gain percentage. A) No Gain B) 25% C) 30% D) 35%
Show answer & explanation
Answer: (C) B
Explanation
Cost = 2000 × 0.9 × 0.85 + 70 = 1530 + 70 = Rs 1,600. Selling at Rs 2,000 gives a gain of 400/1600 = 25%.