2 books are purchased at ₹15.
The same 3 books are sold for ₹25. Find the gain percent?
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Step-by-step explanation:
cp of 1 book=15/2
sp of 1 book =25/3
gain=25/3-15/2/100×Cp
gain=50-45/6×100×15/2
1/26×15/2
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