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Question
If the price of an article is reduced by 10%, the reduction is Rs. 40. What is the old price?
Solution
Let the original (old) price = Rs. 100
Reduction = 10% = Rs. 10
∴If reduction is Rs. 10, then old price = Rs. 100
and if reduction is Rs. 40, then old price = Rs. `(100 xx 40)/10` = Rs. 400
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