in a box there are 378 coins combining 1 rs, 50 paise and 25 paise coins.The ratio of their values is 13:11:7. determine the number of 25 paise coins.
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85 coins are present in the box
ladydevil:
thank u so much...but I need the solution in detail..can you help me?
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let the ratio be x
then no of one rupee coin be 13x
no of 50 paise coin be 11x
no of 25 paise coin be 7x
total no of coins be 378
13x +11x+7x =378
31x=378
x=12.19
no of 25 paise coin =7x=7×12.19 =85.33 ~=85
no of 25 paise coin =85
then no of one rupee coin be 13x
no of 50 paise coin be 11x
no of 25 paise coin be 7x
total no of coins be 378
13x +11x+7x =378
31x=378
x=12.19
no of 25 paise coin =7x=7×12.19 =85.33 ~=85
no of 25 paise coin =85
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