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

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

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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
40 meters
160 meters
80 meters

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Area Problems
The length of a class room floor exceeds its breadth by 25 m. The area of the floor remains unchanged when the length is decreased by 10 m but the breadth is increased by 8 m. The area of the floor is

4987 sq.m
4870 sq.m
4442 sq.m
5100 sq.m

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Area Problems
The area of a square is equal to the area of a rectangle. The length of the rectangle is 5 cm more than a side of the square and its breadth is 3 cm less than the side of the square. What is the perimeter of the rectangle ?

26 cm
15 cm
34 cm
18 cm

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Area Problems
A polygon has 44 diagonals the number of its sides is?

11
12
10
9

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