7. In what time will Rs 1000 amount to Rs 1331 at 10% per annum compound interest?
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➡️In what time will Rs. 1000 become Rs. 1331 at 10% per annum compounded annually?
==》Principal = Rs. 1000;
==》 Amount = Rs. 1331;
==》Rate = 10% p.a. Let the time be n years.
Then,
==》[ 1000 (1+ (10/100))^n ] = 1331 or (11/10)^
==》n = (1331/1000) = (11/10)^3
==》n = 3 years
Answered by
55
We have :
Anonymous:
Great :)
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