16.The compound interest on a certain sum for 2 years at 10% per annum is Rs. 525. The simple interest on the same sum for double the time at half the rate percent per annum is:
A. Rs. 400 B. Rs. 500
C. Rs. 600 D. Rs. 800
Answer: Option B
Explanation:
Let the sum be Rs. P.
Then,
|
|
P
|
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1 +
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10
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2
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- P
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= 525
|
100
|
Sum = Rs . 2500.
So, S.I. = Rs.
|
|
2500 x 5 x 4
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= Rs. 500
|
100
|
| | | |
Title :
Compound Interest Q16
Description : 16.The compound interest on a certain sum for 2 years at 10% per annum is Rs. 525. The simple interest on the same sum for double the tim...
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