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Q.6 Juhi sells a washing machine for Rs.13,500. She loses 20% in the bargain. What was the price at which she bought it?
Answer :

SP of the washing machine = ? 13,500 Loss = 20% CP = \(\frac{SP×100}{(100-loss%)} \) =\(\frac{13,500×100}{(100-20)} \)= \(\frac{13,500×100}{(80)} \)= Rs.16875