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AFCAT I 2014 Solved Paper
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© examsnet.com
Question : 81
Total: 100
A bag contains 25 paise, 50 paise and 1 ₹ coins. There are 220 coins in all and the total amount in the bag is ₹ 160. If there are thrice as many 1 ₹ coins as there are 25 paise coins,then what is the number of 50 paise coins?
60
40
120
80
Validate
Solution:
Let 25 paise coins = x
1 ₹ : 50 P : 25 P
3x : 220 – 4x : x Ratio in number of coins
3
x
:
220
−
4
x
2
:
x
4
Ratio in amount
∴
3
x
+
110
−
2
x
+
x
4
=
160
x
+
110
−
2
x
+
x
4
=
160
x
+
110
+
x
4
=
160
4x + 440 + x = 640
5x = 200
x = 40
∴ 50 paise coins = 220 – 40yx = 220 – 160 = 60
© examsnet.com
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