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A sum, when invested at 10% simple interest per annum, amounts to ₹4560 after 2 years. What is the simple interest (in ₹) on the same sum at the same rate of interest in 1 year?

A1520

B380

C190

D760

Answer:

B. 380

Read Explanation:

Amount,A=P+PnR/100Amount, A = P+ PnR/100

4560=P+[P×2×10/100]4560=P+[P\times2\times10/100]

4560=P+P/54560=P+P/5

4560=6P/54560=6P/5

P=4560×5/6P=4560\times5/6

=3800=3800

The simple interest (in ₹) on the same sum at the same rate of interest in 1 year

I=PnR/100I=PnR/100

=3800×1×10/100=3800\times1\times10/100

=380=380


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