A shopkeeper sells 40 books for Rs.1870. If he makes a loss of 15%, find the cost price of a book.
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Answer:-
2200
Step-by-step explanation:
SP of the 40 books = 1870
Loss percent occurred by shopkeeper = 15%
Cost price of 40 books = SP × 100/ 100- loss%
= 1870×100/100-15
=1870× 100/85
=22 ×100
=2200
Cost price of 40 books is rs 2200.
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