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Question: A librarian recorded the number of books on each subject. Find the number of math books in the library.



A ) 22
B ) 23
C ) 20
D ) 24

Steps to derive

1 The height of the bar above each subject represents the number of books available in the library on the respective subject.

2 The bar above 'Math' reaches 24 on the scale.

3 So, there are 24 Math books in the library.



Hence the right answer is Option D

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