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A class room is 7 m long, 6.5 m wide and...

A class room is 7 m long, 6.5 m wide and 4 m high. It has one door 3 m x 1.5 m and three windows, each measuring 2 m x 1 m. The interiror walls are to be colour washed. The contractor charges Rs 5.25 per sq. m. Find the cost of colour washing.

A

Rs 97.8

B

Rs 513.45

C

Rs 5 .25

D

None of these

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The correct Answer is:
B
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