Question
A washing machine is sold at a discount of 30%. If a man buys it for Rs. 6580, its list price is = ?
Answer: Option C
$${\text{Marked price}} \times \frac{{70}}{{100}}$$ $$ = {\text{Rs}}{\text{. 6580}}$$
$$\eqalign{
& {\text{Marked price}} = \frac{{6580 \times 100}}{{70}} \cr
& {\text{Market Price}} = {\text{Rs}}{\text{. 9400 }} \cr} $$
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$${\text{Marked price}} \times \frac{{70}}{{100}}$$ $$ = {\text{Rs}}{\text{. 6580}}$$
$$\eqalign{
& {\text{Marked price}} = \frac{{6580 \times 100}}{{70}} \cr
& {\text{Market Price}} = {\text{Rs}}{\text{. 9400 }} \cr} $$
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