Question

Wheat was purchases in the fist year at Rs 9 / kg in second year at Rs 10/kg and in the third year at Rs 11/kg ,if each year Rs 990 were spend in purchasing wheat the average cost of wheat during the three year is nearly

• A. Rs 9.50
• B. Rs 10
• C. Rs 10.50
• D. None of the above

Answer 1

The correct option is B Rs 10

Total amount spent $=990\times 3=Rs.2970$
Total qty purchased $=990/9+990/10+990/11$
$=299$ kg.
Average cost $=2970+299=9.93\approx 9.93Rs.10$