Question

A man has Rs. $480$ 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?

• A. $45$
• B. $60$
• C. $75$
• D. $90$

Answer 1

Answer: (D)

$90$

Let number of notes of each denomination be $x$.
Then, $x+5x+10x=480\iff 16x=480\iff x=30$.
Hence, total number of notes $=3x=90$.