a varandah 1.25 m wide is constructed all around the outside of a room 5.5 m long and 4 m wide . find the cost of the cemeting the floor of this verandah at the rate of rupees 15 per sq. m.
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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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