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A brick measures 20 cm xx 10 cm xx 7.5 ...

A brick measures `20 cm xx 10 cm xx 7.5 cm ` . How many bricks will be required for a wall ` 20 m xx 2m xx 0.75 m` ?

A

10000

B

15000

C

18000

D

20000

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The correct Answer is:
D
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