A merchant sold an article at 10% loss. If he had sold it Rs 450 more, 8% would have been gained on the cost price. Find the cost price ?



A merchant sold an article at 10% loss. If he had sold it Rs 450 more, 8% would have been gained on the cost price. Find the cost price ?

A. Rs 1200

B. Rs 1800

C. Rs 1500

D. Rs 2500

Answer : D. Rs 2500


Explanation :

    Let the cost price be 100%. It is sold at 10% loss. So it is sold at 90% of the cost price.
    90 % of the cost price + 450 = 108% of the Cost price.
    18% of the cost price = Rs.450
    Cost price of the book = 450/18 x 100
    = Rs 2500 .



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