In what time will Rs 390625 amount to Rs 456976 at 4 compound interest ........

Quantitative Aptitude ( CCS) Compound Interest

In what time will Rs 390625 amount to Rs 456976 at 4% compound interest?

Solution:
P(1+r/100)^t = A
390625(1+4/100)^t = 456976
(1+1/25)^t = 456956 / 390625
(26/25)^t = (26/25)⁴
T = 4

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