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Question : A person lent a certain sum of money at the annual rate of 20 percent on simple interest. In 10 years, the interest amounted to Rs. 800 more than the sum lent. What is the sum lent?

Option 1: Rs. 800

Option 2: Rs. 500

Option 3: Rs. 1200

Option 4: Rs. 400


Team Careers360 24th Jan, 2024
Answer (1)
Team Careers360 25th Jan, 2024

Correct Answer: Rs. 800


Solution : Let the sum lent be $P$.
So, simple interest = P + 800
Time = 10 years
Rate = 20%
We know,
Simple interest = $\frac{\text{Principal × Rate × Time}}{100}$
$⇒ P + 800 = \frac{P×20×10}{100}$
$⇒ P + 800 = 2P$
$⇒ P = 800$
Hence, the correct answer is Rs. 800.

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