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The average price of three items of furniture is Rs. 15000. If their prices are in the ratio 3 : 5 : 7, the price of the cheapest item is-

A. Rs. 9000 B. Rs. 15000 C. Rs. 18000 D. Rs. 21000 Answer: Option A
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Solution(By Apex Team)

Let their prices be 3x, 5x and 7x respectively Then, ⇒ 3x + 5x + 7x = 15000 × 3 ⇒ 15x = 45000 ⇒ x = 3000 ∴ Cost of cheapest item = Rs. (3000 × 3) = Rs. 9000

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