What would be the compound interest obtained on an amount of Rs, 7,790 at the rate of 10 p.c.p,a. after two years ?
Compound interest = $$7790((1+\frac{10}{100})^{2}-1)$$.
=$$7790(1.1^{2}-1)$$.
=$$7790\times.21$$.
=Rs. 1635.90.
Hence, Option D is correct.
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