Management Aptitude Test Dec 2019 Paper

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Directions (Q. Nos. $126-130$ ) Each of the following questions is followed by two Statements.
Give Answer
(1) If Statement I alone is sufficient to answer the question
(2) If Statement II alone is sufficient to answer the question
(3) If both Statements I and II together are necessary to answer the question
(4) If either the Statement

I

alone or Statement II alone is sufficient to answer the question
(5) If both Statements I and II together are not sufficient to answer the question

Question : 127 of 200

Marks: +1, -0

C_{1}

and

C_{2}

are the circumferences of the outer and inner circles respectively, then what is

C_{1}: C_{2} ?

I. The two circles are concentric.
II. The area of the ring is

2 / 3

the area of greater circle.

Your Answer:

Validate

Solution:

From Statement I, nothing can be said.
From Statement II,

\π(R_{1}^{2}-R_{2}^{2})={2}/{3} \πR_{1}^{2}

So, the ratio of

R_{1}: R_{2}

can be found out.
Hence, ratio of

C_{1}: C_{2}

can be found out.
Therefore, Statement II alone is sufficient.

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