Question

58 notebooks have been purchased at the rate of 1 Rs. How many notebooks should be sold at the rate of Rs 1 to earn 45% profit?

A 35 Correct Answer Incorrect Answer
B 44 Correct Answer Incorrect Answer
C 40 Correct Answer Incorrect Answer
D 38 Correct Answer Incorrect Answer

Solution

CP of 1 notebook = 1/58 Rs.  SP of  1 notebook = 1/58 * 145% = 145/5800 Rs. Hence number of notebook must ne sold in 1 Rs. = 1/ (145/5800) = 5800 /145 = 40 Alternate Solution: Reuired result = Number of articles bought  ×  100/(100+Profit)   = 58×a (100/145) = 40

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