A) 500
B) 1000
C) 1500
D) 2000
Correct Answer: B
Solution :
Number of bricks \[=\frac{Volume\text{ }of\text{ }wall}{~Volume\text{ }of\text{ }one\text{ }brick}\] \[=\frac{400\times 300\times 13}{20\times 12\times 6.5}\] \[=1000\]You need to login to perform this action.
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