A bag contains Rs 135 in the form of 1 rupee, 50 paise and 25 paise
coins in the ratio 3 : 5:8. Find the number of each type of coins..
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A bag contains Rs 135 in the form of 1 rupee, 50 paise and 25 paise
coins in the ratio 3 : 5:8. Find the number of each type of coins..
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Answer:
Number of 1 Rupee coins- 54,
Number of 50 Paise coins- 90,
Number of 25 Paise coins-144.
Step-by-step explanation:
According to ratio-
The number of Rupee coins = 3a
And the value of Rupee coins =3a×1
=3a
The number of 50 Paise coins=5a
And the value of 50 Paise coins = 5a/2 =2.5a (:- 50 Paise = 1/2 Rupee )
The number of 25 Paise coins =8a
And the value of 25 paise coins= 8a/4 =2a (:-25 Paise =1/4 Rupee)
Now,
3a+2.5a+2a=135
7.5a=135 or
2× 7.5a= 2×135
15a=2×135
a=135×2/15
a=9×2=18
Put the value,
Number of Rupee coins = 3a = 3×18
=54
Number of 50 Paise coins =5a=5×18
=90
Number of 25 Paise coins= 8a=8×18
=144