The compound interest on a certain sum for 2 | vedclass

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Question

Here, $CI = Rs .1272, t =2$ years, $r =12 \%$

By the Formula

$\Rightarrow CI = P \left[\left(1+\frac{ r }{100}\right)^{ t }-1\right] \Rightarrow

Vedclass · Accepted Answer

$1200$

Vedclass · Answer

Here, $CI = Rs .1272, t =2$ years, $r =12 \%$

By the Formula

$\Rightarrow CI = P \left[\left(1+\frac{ r }{100}ight)^{ t }-1ight] \Rightarrow 1272= P \left[\left(1+\frac{12}{100}ight)^{2}-1ight]$

$\Rightarrow 1272= P \left[\left(\frac{112}{100}ight)^{2}-1ight] \Rightarrow 1272= P 	imes 0.2544$

$\Rightarrow P = Rs .5000 \Rightarrow Now , SI =\frac{ P 	imes r 	imes t }{100}$

$\Rightarrow SI =\frac{5000 	imes 12 	imes 2}{100}$

$	herefore \quad SI = Rs .1200$

The compound interest on a certain sum for $2$ years at $12 \%$ per annum, compounded annually is $Rs. 1272$. The simple interest (In $Rs.$) for that sum at the same rate and for the same period will be?

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