Lalita borrowed some money from her friend at 6% per annum. If she paid ₹313.50 as simple interest after 2 years and 9 months, what is the sum that Lalita borrowed?
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Answer:
₹ 1900
we can find it by the formula p×t×r/100
hence p=x
t=2 years 9 months I. e2 3/4years
r is given =6%
after two years the S.I is ₹313.5
let's solve
313.5= p×t×r/100
313.5=x×2 3/4×6/100
31350=x×2 3/4× 6
31350×4/11×1/6=1900
x=₹1900
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