Quantitative Aptitude Ques 1896

Question: Coordinates of a point is (0, 1) and ordinate of’ an another point is $ -3. $ If distance between both the points is 5, then abscissa of second point is

Options:

A) $ 3 $

B) $ -3 $

C) $ \pm 3 $

D) $ 1 $

E) $ -1 $

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Answer:

Correct Answer: C

Solution:

  • Let abscissa be x. Then, $ {{(x-0)}^{2}}+{{(-3-1)}^{2}}=5^{2} $

$ \Rightarrow $ $ x^{2}+16=25 $

$ \Rightarrow $ $ x^{2}=9 $
$ \Rightarrow $ $ x=\pm 3 $