Question Library
Browse our collection of questions across various subjects
Mathematics
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What is the order of [a h c] [x] [x y z] [h b f] [y] ? [g f c]…
NDA Mathematics 2017
NDA 2017
Mathematics
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If A = [cosθ sinθ, -sinθ cosθ], then what is A³ equal to?
NDA Mathematics 2017
NDA 2017
Mathematics
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Consider the set A of all matrices of order 3×3 with entries 0 or 1 only. Let B be the…
NDA Mathematics 2017
NDA 2017
Mathematics
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f | x y 0 | = 0, then which one of the following is correct? | 0 x y…
NDA Mathematics 2017
NDA 2017
Mathematics
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What is the value of the determinant | 1 1 1 | | 1 1 + xyz 1 | |…
NDA Mathematics 2017
NDA 2017
Mathematics
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A = [x + y y, x x – y], B = [3 -2], and C = [4 -2]. If…
NDA Mathematics 2017
NDA 2017
Mathematics
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The equations x + 2y + 3z = 1 2x + y + 3z = 2 5x + 5y +…
NDA Mathematics 2017
NDA 2017
General Ability
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A given conductor carrying a current of 1 A produces an amount of heat equal to 2000 J. If the…
NDA General Ability 2016
NDA 2016
General Ability
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A man weighing 70 kg is coming down in a lift. If the cable of the lift breaks suddenly, the…
NDA General Ability 2016
NDA 2016
General Ability
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A racing car accelerates on a straight road from rest to a speed of 50 m/s in 25 s. Assuming…
NDA General Ability 2016
NDA 2016
General Ability
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Deserts, fertile plains and moderately forested mountains are the characteristic features of which one of the following regions of India?
NDA General Ability 2016
NDA 2016
General Ability
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Areas which are engines for economic growth supported by quality infrastructure and complemented by an attractive fiscal package are known…
NDA General Ability 2016
NDA 2016
General Ability
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Consider the following statements: 1. All Echinoderms are not marine. 2. Sponges are exclusively marine. 3. Insects are found in…
NDA General Ability 2016
NDA 2016
Mathematics
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If A = [cos α sin α, -sin α cos α], then what is AAᵀ equal to (where Aᵀ is…
NDA Mathematics 2017
NDA 2017
General Ability
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Which of the following pairs of vector and disease is/are correctly matched? S.No. Vector Disease 1 Anopheles Malaria 2 Aedes…
NDA General Ability 2016
NDA 2016
Mathematics
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If a + b + c, then one value of x which satisfies the equation | x – a x…
NDA Mathematics 2017
NDA 2017
Mathematics
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If B is a non-singular matrix and A is a square matrix, then the value of det(B⁻¹AB) is equal to
NDA Mathematics 2017
NDA 2017
General Ability
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Which one of the following elements will not react with dilute HCl to produce H₂?
NDA General Ability 2016
NDA 2016
Mathematics
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If A = [(α 2), (2 α)] and det(A³) = 125, then α is equal to
NDA Mathematics 2017
NDA 2017
General Ability
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Consider the following circuit:The equivalent resistance of the circuit will be
NDA General Ability 2016
NDA 2016