Question

please solve it
but don't copy or spam
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. 1 ) A sum of money triples itself in 12 years at simple interest. Find the rate of interest
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.2 )How much Simple Interest can a person get on Rs. 8,200 at 17.5% p.a. for a period of 2 years and 6 months?​

Answer 1

Answer:

let the principal be 100/-

so the intrest in 12 years =300/-

formula for interest

PNR/100

where p is principal , n is number of years and r is rate of interest

so replace the values

300=100×12×R /100

so Rate of interest =25

Answer 2

Answer:

chote bacche ko bhull hi gye aap..toh..