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if sp on rs 3600 is more than the interest on rs 3200 by rs 108 in 3 yrs find the rate of interest

Posted in Math, asked by shaina, 6 years ago. 2103 hits.

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Let the rate of interest be r

Interest for 3600 for 3 years = 3600*r*3/100 = 36*3r = 108r

Interest for 3200 for 3 years = 3200*r*3/100 = 32*3r = 96r

It is given that Interest for 3600 for 3 years is greater than Interest for 3200 for 3 years by 108 rupees.

so 108r - 96r = 108

36r-32r = 36

9r-8r = 9

r =9

So the rate of interest = 9%

vinu omanan
vinu omanan - 6 years ago
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