A sum of Rs. 350 made up of 110 coins, which are of either Rs. 1 or Rs. 5 denomination. How many coins are of Rs. 5?  Pick:
A) 52	B) 60	C) 62	D) 72	E) None
Explanation:   Let, the number of Rs.1 coins are x and Rs.5 coins are y.   Then x + y = 110   x + 5y = 350   Solving above two equations, we get y = 60. So number of Rs.5 coins are 60.   Correct Option: 60
<result>B</result>
A sum of Rs. 350 made up of 110 coins, which are of either Rs. 1 or Rs. 5 denomination. How many coins are of Rs. 5?