Question : What would be the compound interest on Rs.15,750 at 20% per annum, in two years, if the interest is compounded half-yearly?
Option 1: Rs. 5,213.25
Option 2: Rs. 3,307.5
Option 3: Rs. 7,305.975
Option 4: Rs. 7,309.575

Question

Question : What would be the compound interest on Rs.15,750 at 20% per annum, in two years, if the interest is compounded half-yearly?

Option 1: Rs. 5,213.25

Option 2: Rs. 3,307.5

Option 3: Rs. 7,305.975

Option 4: Rs. 7,309.575

Team Careers360 · Accepted Answer

Correct Answer: Rs. 7,309.575

Solution : Principal amount, $P$ = Rs. 15,750
Time calculated half-yearly, $t$ = 2 × 2 = 4 half-years
Rate of interest for a half year $r$ = $\frac{20}{2}$% = 10%
Amount after $t$ half years with interest is compounded at $r$% per half-year
= $P(1+\frac{r}{100})^t$
= $15750(1+\frac{10}{100})^4$
= $23059.575$
Compound interest = Rs. (23059.575 – 15750) = Rs. 7309.575
Hence, the correct answer is Rs. 7309.575.

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Question : What would be the compound interest on Rs.15,750 at 20% per annum, in two years, if the interest is compounded half-yearly?Option 1: Rs. 5,213.25Option 2: Rs. 3,307.5Option 3: Rs. 7,305.975Option 4: Rs. 7,309.575

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Question : What would be the compound interest on Rs.15,750 at 20% per annum, in two years, if the interest is compounded half-yearly?
Option 1: Rs. 5,213.25
Option 2: Rs. 3,307.5
Option 3: Rs. 7,305.975
Option 4: Rs. 7,309.575