A hall is 16m long and 12m broad. find the cost of carpeting it at Rs 615 per metter squre after leaving margin of 1 metter all around?
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Answer:
length of the hall after leaving the margins=16-1=15m.
breadth after leaving margins=12-1=11m.
Area=length×breadth
=15×11=165m^2
=Rs615×165
=Rs101475 ans
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