Two discounts of 40 % and 20 % equal to a sin | vedclass

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Question

Using net discount formula

$\Rightarrow \quad\left[a+b-\frac{a b}{100}\right] \%$

Here, $a=40 \%, b=20 \%$

Applying both values in above form

Vedclass · Accepted Answer

$52$

Vedclass · Answer

Using net discount formula

$\Rightarrow \quad\left[a+b-\frac{a b}{100}ight] \%$

Here, $a=40 \%, b=20 \%$

Applying both values in above formula:

$\Rightarrow \quad\left[40+20-\frac{40 	imes 20}{100}ight] \%=52 \%$

Two discounts of $40 \%$ and $20 \%$ equal to a single discount of $\%$?

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