Question Library
Browse our collection of questions across various subjects
Mathematics
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In a triangle ABC, AD is perpendicular to BC and BE is perpendicular to AC. Which one of the following…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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The sides of a triangle are in geometric progression with common ratio r < 1. If the triangle is a…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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If AD is the internal angular bisector of triangle ABC with AB = 3 cm and AC = 1 cm,…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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ABC is triangle right-angled at B. If AB = 6 cm and BC = 8 cm, then what is the…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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Consider the following statements : 1. Let ABCD be a parallelogram which is not a rectangle.Then 2(AB² + BC²) ≠…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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AB and CD are two chords of a circle meeting externally at P. Then which of the following is/are correct…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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Let ABCD be a parallelogram. Let P, Q, R, S be the mid-points of sides AB, BC, CD, DA respectively.…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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Consider an equilateral triangle of a side of unit length. A new equilateral triangle is formed by joining the mid-points…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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AB is a straight line; C and D are points on the same side of AB such that AC is…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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For a plot of land of 100 m × 80 m, the level is to be raised by spreading the…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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If sin(A + B) = 1, where 0 < B < 45°, then what is cos(A – B) equal to?
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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In a triangle ABC, AB = BC = CA. The ratio of the radius of the circumcircle to that of…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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A cylinder is surmounted by a cone at one end, a hemisphere at the other end. The common radius is…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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The area of a rectangle lies between 40 cm² and 45 cm². If one of the sides is 5 cm,…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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Let PQRS be a rectangle such that PQ = √3 QR. What is ∠PRS equal to?
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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Two light rods AB = a + b, CD = a – b are symmetrically lying on a horizontal plane.…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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The three sides of a triangle are 15, 25 and x units. Which one of the following is correct?
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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ABC is a triangle right-angled at A where AB = 6 cm and AC = 8 cm. Semicircles are drawn…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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A cube has each edge 2 cm and a cuboid is 1 cm long, 2 cm wide and 3 cm…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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Which one of the following is a Pythagorean triple in which one side differs from the hypotenuse by two units?…
CDS Elementary Mathematics 2014
CDS 2014