Question

What is the difference between the simple interest on a principal of Rs. 500 being calculated at 5% per annum for 3 years and 4% per annum for 4 years?
A.Rs. 5
B.Rs. 10
C.Rs. 20
D.Rs. 40

Answer 1

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SOLUTION :-
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The interest is calculated simply and then it will have a rise of 15% in first case and 16% in 2nd case. 
Difference = 1% 0n 500 = Rs. 5. 


Otherwise, 500-----15%↑----> 575 (1st case); 
500-----16%↑----> 580 (2nd case); 
We can see clear difference of Rs. 5.

So , Option (A) is the right answer ✔️

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Answer 2

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What is the difference between the simple interest on a principal of Rs. 500 being calculated at 5% per annum for 3 years and 4% per annum for 4 years?
A.Rs. 5
B.Rs. 10
C.Rs. 20
D.Rs. 40

First case = 575

Second case = 580

. : Difference = 5
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