A man bought 13 chairs at 150 each and 15 chairs at ₹130 each. The average price of a chair (to the nearest rupee) is:
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. ₹139.
Total cost = (13 × 150) + (15 × 130) = 1950 + 1950 = 3900
Total number of chairs = 13 + 15 = 28
Average price = 3900/28 = 139.2857... = 139 (approx)
Therefore, the average price of a chair is ₹139.