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?	Pick
A) 2379	B) 2889	C) 9288	D) 9000	E) 28311
Let their prices be 3x, 5x and 7x.   Then, 3x + 5x + 7x = (15000 * 3) or x = 3000.   Cost of cheapest item = 3x = Rs. 9000.   Answer: 9000
<result>D</result>
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?