A bag contains 25 paise, 10 paise and 5 paise coins in the ratio 1:2:3. If their total value is Rs. 30, the number of 5 paise coins is ________.
50
100
150
200
A
200
B
100
C
150
D
50
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Solution
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There are 25 paise, 10 paise and 5 paise coins in a bag.
Their ratio is 1:2:3
Here total value is Rs. 30
Let exact quantity of coins be x,2x,3x respectively.
Then value of all coins combined =25x+10(2x)+(5)3x=60x paise
⇒60x=30×100 paise
⇒x=50
Number of 5 paise coins =3x=150.
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