10 * 162 = 1620
3 * 100 + 5 * 150 = 1050
1620 – 1050 = 570
A man purchased 3 blankets @ Rs.100 each, 5 blankets @ Rs.150 each and two blankets at a certain rate which is now slipped off from his memory. But he remembers that the average price of the blankets was Rs.162. Find the unknown rate of two blankets?
Options:
1) 420
2) 550
3) 490
4) 570
5) 457