Question Library
Browse our collection of questions across various subjects
Mathematics
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If A is an identity matrix of order 3, then its inverse (A⁻¹)
NDA Mathematics 2019
NDA 2019
General Ability
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A car starts from Bengaluru, goes 50 km in a straight line towards south, immediately turns around and returns to…
NDA General Ability 2019
NDA 2019
Mathematics
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In a school, all the students play at least one of three indoor games chess, carrom and table tennis. 60…
NDA Mathematics 2019
NDA 2019
General Ability
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Two substances of densities p₁ and p₂ are mixed in equal volume and their relative density is 4. When they…
NDA General Ability 2019
NDA 2019
General Ability
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A solid disc and a solid sphere have the same mass and same radius. Which one has the higher moment…
NDA General Ability 2019
NDA 2019
Mathematics
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In a school, all the students play at least one of three indoor games chess, carrom and table tennis. 60…
NDA Mathematics 2019
NDA 2019
General Ability
Easy
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If an object moves at a non-zero constant acceleration for a certain interval of time, then the distance it covers…
NDA General Ability 2019
NDA 2019
Mathematics
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The equation px² + qx + r = 0 (where p, q, r, all are positive) has distinct real roots…
NDA Mathematics 2019
NDA 2019
Mathematics
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There are 10 points in a plane. No three of these points are in a straight line. What is the…
NDA Mathematics 2019
NDA 2019
Mathematics
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If C(20, n + 2) = C(20, n – 2), then what is n equal to?
NDA Mathematics 2019
NDA 2019
Mathematics
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The common roots of the equations x² + 2x + 1 = 0 and x² + x + 1 =…
NDA Mathematics 2019
NDA 2019
General Ability
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Which one of the following statements about water is not true?
NDA General Ability 2019
NDA 2019
Mathematics
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If [x -3i 1; y 1 i; 0 2i -i] = 6 + 11i, then what are the values of…
NDA Mathematics 2019
NDA 2019
General Ability
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The raw materials used for the manufacture of Portland cement are
NDA General Ability 2019
NDA 2019
General Ability
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Which one of the following statements about diamond and graphite is not correct?
NDA General Ability 2019
NDA 2019
General Ability
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Which one of the following statements is correct?
NDA General Ability 2019
NDA 2019
General Ability
Easy
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Which one of the following statements about glass is not correct?
NDA General Ability 2019
NDA 2019