Problems based on Numbers Test 3

Amount bag = Rs 90 = 9,000
Ratio of 50 paise, 25 paise and 10 paise coins = 2 : 3 : 5.
Number of 50 paise coins = 2x
Number of 25 paise coins = 3x
Number of 10 paise coins = 5x
According to the question,
$50\left(2\mathit{x}\right)+25\left(3\mathit{x}\right)+10\left(5\mathit{x}\right)=9,000$
$100\mathit{x}+75\mathit{x}+50\mathit{x}=9,000$
$225\mathit{x}=9000$
$\mathit{x}=40$
Number of 25 paise coins in bag = 3x = 3 × 40 = 120