Question 113
The selling price of the article is Rs.1,980 after a successive discounts of 10% and 20%. If the cost price is 50% of the marked price, then what is the cost price. (in Rs)
Solution
By formula, SP = MP[1-D%/100} S.P. = SELLING PRICE AND M.P. = MARKED PRICE AND C.P. = COST PRICE
SP = MP [1-10/100][1-20/100]
SP = MP x 9/10 X 4/5
SP = 36 MP/50
MP = SP x 50/36
MP = 1980 x 50/36 = 2750
CP = MP/2 (GIVEN)
CP = RS. 2750/2 = RS. 1375
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