The cost price of 396 books is equal to the selling price of 324 books. find the gain percent
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Answer:
Heya ☺
Given that
CP of 36 books = SP of 30 books
Solution
Let the SP of each books be ₹1. Then,
SP of 30 books = ₹30
CP of 30 books = ₹30
SP of 36 books = ₹36
SP > CP = Gain
Gain = SP - CP
= ₹(36 - 30)
= ₹6
Gain % = Gain/CP × 100
= 6/30 × 100
= 20 %
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selling price=324 c ost price=396 gain=324-396=-72
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