1)

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

Explanation:

let their prices be 3x,5x and 7x
Then 3x+5x+7x = 15000x3
x=3000
COst of the cheapest item =3x= 9000