Question

a man sells a book at a profit of 20%. if he had bought it at 20% less & sold it for 60 rupees less, he would have gained 25%. find the cost price of the book.​

Answer 1

Answer:

Rs. 300

Step-by-step explanation:

Let the cost of article = 100

SP = 120

New CP = 80

If gain is 25% then straight S. straight P equals $\frac{125}{100}$ × 80 = 100

Difference in selling price = 120 - 100 = 20

If the difference is Rs. 20, C.P. = 100

If the difference is Rs. 60, straight C. P. = $\frac{100}{20}$ × 60 = Rs. 300

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