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"Be ready for surprises in QA"

Over the years the pattern has shifted from pure calculation based questions to pure logic based ones. So, handle the questions accordingly and ensure a proper balance between attempt and accuracy.

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Published : Tuesday, 07 October, 2014 03:43 PM

Chances are high that CAT 2014 might give surprises in QA. Over the years the pattern has shifted from pure calculation based questions to pure logic based ones. So, handle the questions accordingly and ensure a proper balance between attempt and accuracy.

CAT 2014 is being conducted on 16th & 22nd November 2014 this year. Practice with following Question and answer with solution for Quantitative Ability (QA):

Question

Let P be a point on the side AB of a triangle ABC. Lines drawn parallel to PC, through the points A and B, meet BC and AC extended at X and Y respectively. The lengths of AX, BY and PC are ‘a’ units, ‘b’ units and ‘c’ units respectively. Then c will be equal to the half of

(a) Arithmetic Mean of a and b            (b) Geometric Mean of a and b
(c) Harmonic Mean of a and b              (d) None of these

Solution

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