### 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

### 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

A. 20
B. 21
C. 28
D. 32

A. 18
B. 20
C. 24
D. 30

A. 10 years
B. 10.5 years
C. 11 years
D. 12 years