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Q. How much time will it take for an amount of Rs. 900 to yield Rs. 81 as interest at 4.5% per annum of simple interest?
a)2 years
b)3 years
c)1 year
d)4 years
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Q. How much time will it take for an amount of Rs. 900 to yield Rs. 81...
P = Rs.900
SI = Rs.81
T = ?
R = 4.5%

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Most Upvoted Answer
Q. How much time will it take for an amount of Rs. 900 to yield Rs. 81...
Simple Interest Formula:
Simple Interest (SI) = (P * R * T) / 100

Where,
P = Principal Amount
R = Rate of Interest
T = Time

Given,
Principal Amount (P) = Rs. 900
Rate of Interest (R) = 4.5%
Simple Interest (SI) = Rs. 81

To find the time taken (T) to yield the given interest, we can use the formula for Simple Interest.

Calculation:
SI = (P * R * T) / 100
81 = (900 * 4.5 * T) / 100
81 = 40.5T / 100
T = (81 * 100) / 40.5
T = 2

Therefore, the time taken for an amount of Rs. 900 to yield Rs. 81 as interest at 4.5% per annum of simple interest is 2 years.
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Q. How much time will it take for an amount of Rs. 900 to yield Rs. 81 as interest at 4.5% per annum of simple interest?a)2 yearsb)3 yearsc)1 yeard)4 yearsCorrect answer is option 'A'. Can you explain this answer?
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