In what time will Rs 1000 amount to Rs 1331 at 10% per annum, compounded annually?

Answer 1

When is
1000(1.10)^n = 1331 ?

1.1^n = 1.331
take log of both sides, and use log rules
n log 1.1 = log 1.331
n = log 1.331/log 1.1
= ....

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