Two continuous discounts of 4 % on any thing should be equal to %

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7.Profit and Loss

medium

Two continuous discounts of $4 \%$ on any thing should be equal to $\%$

A

$8$

B

$7.92$

C

$7.84$

D

$8.08$

Solution

Using net discount formula $=\left[a+b-\frac{a b}{100}\right] \%$

where $a=b=4 \%$

$\Rightarrow \quad\left[4+4-\frac{4 \times 4}{100}\right] \%=7.84 \%$

Standard 13

Quantitative Aptitude

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