Question Bank - General Aptitude

Here's the question bank on all the general aptitude topics.

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Two straight lines are drawn perpendicular to each other in X-Y plane. If ? and ? are the acute angles the straight lines make with the X-axis, then ? + ? is _______.

A.
60°
B.
90°
C.
120°
D.
180°

Solution:

Concept:The sum of the interior angles of a triangle is equal to 180oStraight lines perpendicular to each other in an X-Y planeCalculation:A + ? + ? = 180o90o + ? + ? = 180o? + ? = 90o

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