GATE | GATE MOCK 2017 | Question 8

‘A’ sells a DVD to ‘B’ at a gain of 17% and ‘B’ then sells it to ‘C’ at a loss of 25%. If ‘C’ pays Rupees 1053 to ‘B’. then what is the cost price of the DVD to ‘A’ ?
(A) 1200
(B) 1450
(C) 1250
(D) 1375

Answer: (A)

Explanation: Explanation- let CP of A= x
SP price of A = 117x/100.

SP of b = SP of A – 25%of SP of A = 117x/100-117x/400 = 351x/400

x = 1200

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