A box contain 276 coins of 5 rupees , 2 rupees and 1 rupees . The value of each kind of coins are in the ratio 2:3:5 respectively. The number of 2 rupees coin is
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Total no. of coins =276
Value of each kind of coin ratio=2:3:5
Let the value of each kind of coins be2x,3x and 5x respectively
∴ No. of coins of Rs.5=
5
2x
No. of coins of Rs.2=
2
3x
No. of coins of Re.1=5x
∴
5
2x
+
2
3x
+5x=276
⇒
10
4x+15x+50x
=276
⇒69x=276×10
⇒x=40
∴No.ofcoinsofRs2=
2
3x
=
2
3×40
=60
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