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The inner dimensions of a hall are 40 ft...

The inner dimensions of a hall are 40 ft `xx` 20 ft `xx` 30 ft. The hall contains 2 doors of size 5 ft `xx` 10 ft each and 4 windows of size 5 ft `xx` 5 ft each. If the inner walls of the hall are to be fixed by tiles of size 1 ft. `xx` 1, then find the number of tiles required.

A

8000

B

10000

C

15400

D

3400

Text Solution

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The correct Answer is:
D
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