A verandah 1.5 m wide is constructed all along the outside of a room 5.5 m long and 4 m wide. Find (a) the area of the verandah, (b) the cost of cementing the floor of the verandah at the rate of 20 per sq m.
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Answer:
Given that,
Area of the room is 4×5.5=22m2
Area of the verandah with room is =(5.5+1.25+1.25)×(4+1.25+1.25)
8×6.5=52
Area of verandah 52−22
=30m2
Cost of cementing =15rps
Total cost of cementing =30×15
=450rps
Thus,
We get total cost of cementing 450rps.
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