(D) Let the rate of interest be $r \%$ per annum.The formula for simple interest is $SI = \frac{P \times R \times T}{100}$.Interest from Jaichand $= \

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(D) Let the rate of interest be $r \%$ per annum.The formula for simple interest is $SI = \frac{P \times R \times T}{100}$.Interest from Jaichand $= \frac{8800 \times 13 \times r}{100} = 1144r$.Interest from the second person $= \frac{5500 \times 12 \times r}{100} = 660r$.Total interest received $= 1144r + 660r = 1804r$.Given that the total interest is ₹ $14432$,we have:$1804r = 14432$.Solving for $r$:$r = \frac{14432}{1804} = 8$.Therefore,the rate of interest is $8 \%$ per annum.

Competitive Quantitative Aptitude Interest Simple Interest

Medium

Deepak lent ₹ $8800$ to Jaichand for $13$ $years$ and ₹ $5500$ to another person for $12$ $years$ at the same rate of simple interest. He received ₹ $14432$ in total as interest from both. The rate of interest (in $\%$) per annum is:

A
$8.5$
B
$9$
C
$9.5$
D
$8$

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Quantitative Aptitude Questions

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Interest

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Simple Interest

Alipta received some amount of money from her father. In how many $years$ will the ratio of the money (principal) and the interest obtained from it be $10: 3$ at the rate of $6 \%$ simple interest per annum?

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The simple interest accrued on a certain principal is ₹ $1200$ in $4$ years at the rate of $8 \%$ per annum. What would be the simple interest (in ₹) accrued on thrice of that principal at the rate of $6 \%$ per annum in $3$ years?

Medium

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Girish invested some money in a bank. After $8$ years,his amount became triple. How many times of the original sum will the money become in $20$ years at simple interest?

Medium

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$A$ money lender finds that due to a fall in the annual rate of interest from $8 \%$ to $7 \frac{3}{4} \%,$ his yearly income diminishes by ₹ $61.50$. His capital (in ₹) is:

Medium

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If a sum of money at simple interest doubles itself in $6$ years,it will become four times in how many years?

Medium

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Deepak lent ₹ $8800$ to Jaichand for $13$ $years$ and ₹ $5500$ to another person for $12$ $years$ at the same rate of simple interest. He received ₹ $14432$ in total as interest from both. The rate of interest (in $\%$) per annum is:

Similar Questions

Alipta received some amount of money from her father. In how many $years$ will the ratio of the money (principal) and the interest obtained from it be $10: 3$ at the rate of $6 \%$ simple interest per annum?

The simple interest accrued on a certain principal is ₹ $1200$ in $4$ years at the rate of $8 \%$ per annum. What would be the simple interest (in ₹) accrued on thrice of that principal at the rate of $6 \%$ per annum in $3$ years?

Girish invested some money in a bank. After $8$ years,his amount became triple. How many times of the original sum will the money become in $20$ years at simple interest?

$A$ money lender finds that due to a fall in the annual rate of interest from $8 \%$ to $7 \frac{3}{4} \%,$ his yearly income diminishes by ₹ $61.50$. His capital (in ₹) is:

If a sum of money at simple interest doubles itself in $6$ years,it will become four times in how many years?

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