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The simple interest on a certain principal is Rs. 1,280 in 2 years at the rate of 8 p.c.p.a. What would be the simple interest accrued on t…

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1
The simple interest on a certain principal is Rs. 1,280 in 2 years at the rate of 8 p.c.p.a. What would be the simple interest accrued on thrice of that principal at the rate of 10.75 p.c.p.a. at the end of two years ?
  • ARs. 4960
  • BRs. 4860
  • CRs. 5060
  • DRs. 5160
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CCommunity
Solution
Let the principal = Rs. $x$
S.I. = $\frac{Principal \times Rate \times Time}{100}$
=> $1280 = \frac{x \times 8 \times 2}{100}$
=> $x = 80 \times 100 = 8,000$
Simple interest accrued on thrice of that principal
= $\frac{24,000 \times 10.75 \times 2}{100}$
= Rs. $5,160$
0
CCommunity
Solution
Let the principal = Rs. $x$
S.I. = $\frac{Principal \times Rate \times Time}{100}$
=> $1280 = \frac{x \times 8 \times 2}{100}$
=> $x = 80 \times 100 = 8,000$
Simple interest accrued on thrice of that principal
= $\frac{24,000 \times 10.75 \times 2}{100}$
= Rs. $5,160$