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here is a ques for you
Due to heavy floods in a State, thousands were rendered homeless. 50 schools collectively offered to
the State Government to provide place and canvas for 1500 tents to be fixed by the Governant and
decided to share the whole expenditure equally. The lower part of each tent is cylindrical of base
radius 2.8 m and height 3.5 m, with conical upper part of same radius but of haght 21 mise
canvas used to make the tents costs Rs. 120 per sq. m, find the amount shared by each school to set
the tents.
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Answer:
Total area of each Tent (Cylinder) =2πrh
=2×
7
22
×2.8×3.5
=61.6 m
2
Area of conical upper part (cone) = πrl
=
7
22
×2.8×
2.1
2
+2.8
2
=30.8 m
2
Area of 1500 tents = Area of cylinder + Area of cone
=61.6+30.8
=92.4 m
2
Cost of making Tent = Rs. 120 per m
2
Total money cost for canvas =120×90.4
= Rs. 11088
Amount shared by each school =
Number of school
Total amount
=
50
11088
= Rs. 221.76
Therefore, the amount shared by each school to set up the tents = Rs. 221.76=Rs.222 (approx)
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