CAT Practice : Coordinate Geometry

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Lines and Geometry

Basic Geometry

    Q.40: In the below figure:-

    If , then
    1. can’t be determined


  • Correct Answer
    Choice (C).

Detailed Solution

In the figure,

Here, PQ = PR + RQ
=) 1 +
Let = x
=) 1 + = x
=) x +1 = x2
=) x2 – x – 1 = 0
=) x = Since PR – RQ > 0
=) x = which is between 1 and 2
Therefore, c) Answer

Correct Answer: (C). =

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Geometry is probably the most vital topic as far as CAT preparation is concerned. Geometry sets the stage for Trigonometry, Cogeo and Mensuration as well.