Question
If a book was sold at 20% profit and the cost price &
selling price of the book is increased by Rs. 40 and Rs. 96 respectively. The new profit percentage is 33.33%. Find the original cost price of book?Solution
Let the CP of book is ‘X’ SP = 6X/5 4/3(X+40) = 6X/5 + 96 X =Rs. 320
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