Question

in what period a sum of rs 10,000will earn simple intrest of rs3200 at 8% p.a​

Answer 1

Answer:

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Answer 2

Given: Principal = Rs. 10,000

           Simple Interest = Rs. 3,200

           Rate of Interest = 8% p.a

To find: Time

Solution: Given that,

Principal (P) = Rs. 10,000

Simple Interest (S.I.) = Rs. 3,200

Rate of Interest (R) = 8% p.a

Time (T) = ?

∵ $Simple \ Interest = \frac{P \ * \ R \ * \ T}{100}$

⇒ $3200 = \frac{10,000 \ * \ 8 \ * \ T}{100}$

⇒ $T = \frac{3200 \ * \ 100}{10,000 \ * \ 8} = 4 \ years$

Hence, it will take 4 years for Rs. 10,000 to earn simple interest of Rs. 3,200 at 8% p.a. rate of interest.