How many books of the same thickness can be arranged on the rack if each book is 4 cm thick?
A) 50
B) 8
C) 5
D) 80
Correct Answer: A
Solution :
The length of the given book rack = 2 m = 200 cm The thickness of each book = 4 cm \[\therefore \] No. of books that can be kept in the rack \[=\frac{200}{4}=50\]
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