Question
A sells an article to B making a profit of 1/4 of his
outlay. B sells it to C, losing 10%. If C sells it for Rs.1260 and incurs a profit of 2/5 of his outlay, the cost price of A isÂSolution
Let CP = 100 rs  A           B               C 100     100 x 5/4 = 125      125 x 90/100 = 112.5 Acc. to ques., 112.5 x 7/5 = 157.5 And 157.5 = 1260 (given) So 1 = 8 Hence, CP = 100 = 800 rs.
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