Rao bought notebooks at the rate of 4 for rupees 35 and sold them at the rate of 5 for rupees 58. Calculate 1. His gain percentage. 2. The number of notebooks he should sell to earn a profit of rupees 171
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Step-by-step explanation:
1.
CP of one book = 35/4 = Rs.8.75
SP of one book = 58/5 = Rs.11.60
Gain - 11.60 - 8.75 = 2.85
Gain percent = 2.85/8.75 x 100 = 32.57%
2.
profit from one book = 2.85
profit needed = 171
No of books = 171/2.85 = 60 books
He should sell 60 books
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