1.

What rate gives rupees 600 as interest on the sum of rupees 10000 in three years​

Answer»

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Solution:

Here, Principal (P) = RS. 56,000, Simple Interest (S.I.) = Rs. 280, Time (T) = 2 years

Simple Interest = \frac{P\times R\times T}{100}

100

P×R×T

\RIGHTARROW\ 280=\frac{56000\times R\times2}{100}\Rightarrow R=\frac{280\times100}{56000\times2}⇒ 280=

100

56000×R×2

⇒R=

56000×2

280×100

\Rightarrow\ R\ =\ 0.25\%⇒ R = 0.25%

HENCE, the rate of interest on sum is 0.25%.


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