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

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

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Area Problems
The question given below contain two statements giving certain data. You have to decide whether the data given in the statements are sufficient for answering the question ? Question : What is the height of a right-angled triangle ? Statements : A. The area of the triangle is 20 times its base. B. The perimeter of the triangle is equal to that of a square of the side 10 cm.

Only statement B is required
Only statement A is required
Both A & B are required
Neither (A) nor (B) is reuired

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