Area Problems
The ratio of the corresponding sides of two similar triangles is 3 : 4, The ratio of their areas is?

3 : 4
4 : 3
9 : 16
? 3: 2

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Area Problems
The cross section of a canal is a trapezium in shape . If the canal is a trapezium in shape. If the canal is 10 meters wide at the top and 6 meters wide at bottom and the area of cross section is 640 sq. meters The depth of canal is?

384 meters
80 meters
160 meters
40 meters

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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. 96
Rs. 192
Rs. 384
Rs. 298

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