Question

In a bag, the number of $₹ 10$ notes, $₹ 20$ notes and $₹ 50$ notes are in the ratio $5: 4: 3$. The total value of the notes in it is $₹ 280$. Find the number of $₹ 10$ notes in it.

• A. 4
• B. 5
• C. 3
• D. 2

Answer 1

Answer: (B)

Let the number of $₹ 10$ notes be $5 x$. Numbers of $₹ 20$ notes and $₹ 50$ notes are $4 x$ and $3 x$, respectively.
$\text { Total value of notes }=(10)(5 x)+(20)(4 x)+(50)(3 x) $
$=280 x=280 $
$ x=1 $
$5 x=5$