a bag contains 50 paise 1 Rupee and 2 rupee coins in the ratio 2 is to 5 is to 6 and the total money in the bag is ₹180,then no. of 1rupee coins are?
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Let the number of coins of 50 paise be 2x
number of coins of 1 rupees be 5x
number of coins of 2 rupees be 6x
According to question,
2x*50+5x*100+6x*100=180*100
100x+500x+600x=18000
=1200x=18000
x=18000/1200=15
so total number of 1 rupee coin=5*x=5*15=75 rupees.
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