If CP of 25 books is equal to SP of 20 books, calculate the gain or loss per cent?
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Answer:
25%
Step-by-step explanation:
Let the cp of 1 book be 1/-
Cp of 25 BOOKS = 25/-
Then Cp of 20 BOOKS = 20/-
A/Q,
CP OF 25 BOOKS = SP OF 20 BOOKS
=> Sp of 20 books = 25/-
=> PROFIT = 25-20= 5/-
P% = (5/20)*100=25%
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