a bag has rupees 11 in the form of 1-rupee,50-paise,and 10-paisa coins in the ratio 4:2:5 . find the number of 50 paise coins.
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4x+2x+5x=11rupees
11x=11
x=11/11
x=1
if x=1
4x=4×1=4coins
2x=2×1=2coins
5x=5×1=5coins
there are 2 50 paise coins
11x=11
x=11/11
x=1
if x=1
4x=4×1=4coins
2x=2×1=2coins
5x=5×1=5coins
there are 2 50 paise coins
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