Question
A shop has 80 fans and 120 heaters. The average price of each fan is Rs. 2,500 and the average price of each heater is Rs. 3,500. Find the average price (in Rs.) of all the fans and heaters.
Solution
ATQ, Required average = (80 × 2500 + 120 × 3500) ÷ (80 + 120) = (200000 + 420000) ÷ 200 = (620000 ÷ 200) = Rs. 3,100
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