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Question

There is a chessboard whose area is 576 square units. What is the length of the side of an individual check box?



Correct Answer
A

3

Your Answer
B

24

Your Answer
C

15

Your Answer
D

16


Solution

The correct option is A

3


A chessboard contains 8 x 8 (= 64) check boxes.
Total area = 576 square units.

Area of one square check box
= Total area of the boardNumber of check boxes
= 57664 = 9 square units.

We know that, the side of the square = Area of the square

∴ Side of the check box = 9 units = 3 units. 

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