a bag contains rs.187 in the form of 1 rupee, 50 paise and 10 paise coins inrga ratio of 3:4:5. Find the number of each type of coins
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Step-by-step explanation:
Let the number of 1 rupee,50 paise and 10 paise coins be 3x,4x and 5x respectively, then
3x+4x×
100
50
+5x×
100
10
=187
⇒3x+2x+
2
x
=187
⇒
2
11x
=187
⇒x=187×
11
2
=34
∴3x=3×34=102,4x=4×34=136 and 5x=5×34=170
∴ Number of 1 rupee coins is 102,50paise coins is 136,10 paise coins 170
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