CAT 1991 Question 9

Question 9

What is the radius of the circle?
I. Ratio of its area to circumference is > 7.
II. Diameter of the circle is <=32.

Solution

Considering the first statement only, we will get radius > 14. Hence, we can't find the value of radius with this information only.
Now considering the second statement only, we will get radius <= 16.​Hence, we can't find the value of radius with this information only.
Now considering both statements simultaneously, we can't find an absolute value of radius.
Hence, answer will be D
 



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