a sum of rs2000become rs 2205@5%per annum compound interest.find the time
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P=2000rs.
A=2205rs.
R=5%p.a.
n=?
A=P(1+r/100)n
2205=2000(1+5/100)n
2205/2000=(1+1/20)n
441/400=(21/20)n
(21/20)²=(21/20)n
therefore,,,, n=2 years
A=2205rs.
R=5%p.a.
n=?
A=P(1+r/100)n
2205=2000(1+5/100)n
2205/2000=(1+1/20)n
441/400=(21/20)n
(21/20)²=(21/20)n
therefore,,,, n=2 years
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