Area Problems
The ratio of the radii of two circle is 1:3 the radio of their areas is?

1:6
1:9
None of these
1:3

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Area Problems
The cost of papering the four walls of a room is Rs. 48. Each one of length, breadth and height of another room is double that of this room.The cost of papering the walls of the new room is?

Rs. 192
Rs. 298
Rs. 96
Rs. 384

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Area Problems
A rectangular carpet has an area of 60 sq. m. Its diagonal and longer side together equal 5 times the shorter side, The length of the carpet is?

13 m
14.5 m
5 m
12 m

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Area Problems
A room is half as long again as it is broad. The cost of carpeting the at Rs. 5 per sq.m is Rs. 270 and the cost of papering the four walls at Rs. 10 per sq.m is Rs. 1720. If a door and 2 windows occupy 8 sq. m, find the dimensions of the room.

b=6; l=18; H=6
l=6; b=18; H=15
b=5; l=6; H=18
l=5; b=18; H=18

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