A man has Rs. 320 in the denominations of one-rupee notes, five-rupee notes and ten-rupee notes. The number of notes of each denomination is equal. What is the total number of notes that he has ?  Select.
A) 45 B) 60 C) 75 D) 90 E) 105
Answer : B   Let number of notes of each denomination be x.   Then, x + 5x + 10x = 320   16x = 320   x = 20.   Hence, total number of notes = 3x = 60.
<result>B</result>
A man has Rs. 320 in the denominations of one-rupee notes, five-rupee notes and ten-rupee notes. The number of notes of each denomination is equal. What is the total number of notes that he has ?