the compound inyerest on rs 1800 at 10% per annim for a vertain period at time is 378 . find the time in year
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P = 1800
CI = 378
Amount, A = 1800+378 = 2178
R = 10%
t= ?
A = P(1+ R/100)^t
2178 = 1800(1 + 0.1)^t
2178 = 1800 × 1.1^t
1.1^t = 2178/1800 = 1.21
t = 2 years ( since 1.1^2 = 1.21)
Time is 2 years.
CI = 378
Amount, A = 1800+378 = 2178
R = 10%
t= ?
A = P(1+ R/100)^t
2178 = 1800(1 + 0.1)^t
2178 = 1800 × 1.1^t
1.1^t = 2178/1800 = 1.21
t = 2 years ( since 1.1^2 = 1.21)
Time is 2 years.
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