shyna bought 10 note books for rupee 40 and sold them at 4.75 per note books. find her gain percent
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Answer:15.7894736842%
Step-by-step explanation:
Cost of ten books =RS 40
Cost of 1 book = 40 ÷10
= RS.4
If he sold 1 book at the cost of RS.4.75
Then the cost of 10 books will be = Rs.4.75 ×10= 47.50
Her gain = Rs.47.50 - Rs.40
= Rs. 7.50
Her gain % = ( 7.50 / 4.75× 100)
= 15.7894736842 %
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