A women purchased 3 towels @ Rs.100 each, 5 towels @ Rs.150 each and two towels at a certain rate which is now slipped off from his memory. But she remembers that the average price of the towels was Rs.155. Find the unknown rate of two towels?
Options:
(A) A) 400
(B) B) 450
(C) C) 500
(D) D) 550
(E) E) 600 Let's think first. Stream of consciousness:
10 * 155 = 1550
3 * 100 + 5 * 150 = 1050
1550 1050 = 500
So, the answer is (C).