1. The owner of an electronics shop charges his customer 22% more than the cost price. If a customer paid Rs. 10,980 for a DVD player, then what was the cost price of the DVD player?
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By: anil on 05 May 2019 01.28 am
Let CP of DVD player = Rs. $$100x$$ Price charged by owner = $$frac{122}{100} * 100x$$ = Rs. $$122x$$ => $$122x = 10980$$
=> $$x = frac{10980}{122} = 90$$ $$ herefore$$ CP of DVD player = 100 * 90 = Rs. 9,000
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=> $$x = frac{10980}{122} = 90$$ $$ herefore$$ CP of DVD player = 100 * 90 = Rs. 9,000