Question

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

पर्याय

• ₹ 9000

• ₹ 15000

• ₹ 18000

• ₹ 21000

Answer 1

₹ 9000

Explanation:

Let their prices be 3x, 5x and 7x respectively

Then, 3x + 5x + 7x = 15000 × 3

⇒ 15x = 45000

⇒ x = 3000

∴ Cost of cheapest item = ₹ (3000 × 3) = ₹ 9000