In how many years will Rs 870 amount to Rs 1,044, the rate of interest being 2% p.a.?

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Solution

$S I = A - P$
$= 1044 - 870$
$= 174$ Rs.
$S I = \frac{P \times R \times T}{100}$
$\Rightarrow 174 = \frac{870 \times 2 \times T}{100}$
$T = \frac{174 \times 100}{870 \times 2} = 10$ years.

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In how many years will Rs 870 amount to Rs 1,044, the rate of interest being 2% p.a.?

SI=A−P=1044−870=174Rs.SI=P×R×T100⇒174=870×2×T100T=174×100870×2=10 years.

$S I = A - P$
$= 1044 - 870$
$= 174$ Rs.
$S I = \frac{P \times R \times T}{100}$
$\Rightarrow 174 = \frac{870 \times 2 \times T}{100}$
$T = \frac{174 \times 100}{870 \times 2} = 10$ years.