Question:
Find discount in percent when
(i) M.P. = Rs 900 and S.P. = Rs 873
(ii) M.P. = Rs 500 and S.P. = Rs 425
Solution:
(i) We know that $\mathrm{SP}=\mathrm{MP}-D$ iscount
So, $873=900-D$ iscount
Therefore, Discount $=$ Rs. $(900-873)$
$=$ Rs. 27
Discount $\%=\frac{\text { Discount }}{\text { MP }} \times 100 \%$
$=\frac{27}{900} \times 100 \%$
$=3 \%$
(ii) We know that SP $=\mathrm{MP}-D$ iscount
So, $425=500-D$ iscount
There fore, Discount $=$ Rs. $(500-425)$
$=\mathrm{Rs} .75$
Discount $\%=\frac{\text { Discount }}{\text { MP }} \times 100 \%$
$=\frac{75}{500} \times 100 \%$ $=15 \%$
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