Question

I have one rupees coins, fifty paise coins and twenty five paise coins. the number of coins are in the ratio 2.5 : 3 : 4. if total amount with me is rs 210, find the number of one rupee coins ? (a) 90 (b) 85 (c) 100(d) 105

Answer 1

answer:
let take all the ratio values as X
2.5x+3x+4x=210
=9.5x=210
=22.12(approx)

now the value of X is 22 .12(approx)
so,
2.5×22.12=55
3×22.12=66.36
4×22.12=88.48
add all the values
55+66.36+88.48=210(approx)
hence divided the sum of all values by 2
210/2=105..........
hence the write answer is 105.....
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