Question

if 15 books cost 180 what is the cost of 12 books

Answer 1

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SOLUTION :-
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=> Cost of 15 BOOKS = ₹180
=> Cost of 1 BOOK = 180/15 = ₹12
=> Cost of 12 BOOKS = 12*12 = ₹144 ( Answer )

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Answer 2

15 book cost = 180
Then,
1 book cost = 180/15
= 12
So,
Cost of 12 book = 12*12
= 144

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