A discount series of 10 %, 20 % and 40 % is e | vedclass

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Question

single equivalent discount for $10 \%$ and $20 \%$ $=20+10-\frac{20 	imes 10}{100}=28 \%$

single equivalent discount for $28 \%$ and $40 \%$

$=

Vedclass · Accepted Answer

$56.80$

Vedclass · Answer

single equivalent discount for $10 \%$ and $20 \%$ $=20+10-\frac{20 	imes 10}{100}=28 \%$

single equivalent discount for $28 \%$ and $40 \%$

$=40+28-\frac{40 	imes 28}{100}=68-11.2=56.8 \%$

A discount series of $10 \%, 20 \%$ and $40 \%$ is equal to a single discount of.......$\%$

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