Question Library
Browse our collection of questions across various subjects
Mathematics
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The function f : N → N, N being the set of natural numbers, defined by f(x) = 2x +…
NDA Mathematics 2014
NDA 2014
Mathematics
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If |a b| = 0, then which one of the following is correct ?|b 0|
NDA Mathematics 2014
NDA 2014
Mathematics
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If A = |4 x+2||2x–3 x+1| is symmetric, then what is x equal to ?
NDA Mathematics 2014
NDA 2014
Mathematics
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From the matrix equation AB = AC, where A, B, C are the square matrices of same order, we can…
NDA Mathematics 2014
NDA 2014
Mathematics
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If A is an invertible matrix, then what is det(A⁻¹) equal to ?
NDA Mathematics 2014
NDA 2014
Mathematics
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Consider the following statements : 1.Determinant is a square matrix. 2.Determinant is a number associated with a square matrix.Which of…
NDA Mathematics 2014
NDA 2014
Mathematics
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If the matrix A is such that|1 3| |1 1||0 1| A = |0 –1|then what is A equal to…
NDA Mathematics 2014
NDA 2014
Mathematics
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If α, β are the roots of ax² + bx + c = 0 and α + h, β +…
NDA Mathematics 2014
NDA 2014
Mathematics
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If | 6i – 3i | = x + iy, where i = √–1,| 20 3 |then what is x…
NDA Mathematics 2014
NDA 2014
Mathematics
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Let z be a complex number such that |z| = 4 and arg z = 5π/6. What is z equal…
NDA Mathematics 2014
NDA 2014
Mathematics
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What is ( (√3 + i)/(√3 – i) )⁶ equal to, where i = √–1 ?
NDA Mathematics 2014
NDA 2014
Mathematics
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Let A and B be two matrices such that AB = A and BA = B. Which of the following…
NDA Mathematics 2014
NDA 2014
Mathematics
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If a ≠ b ≠ c are all positive, then the value of the determinant| a b c || b…
NDA Mathematics 2014
NDA 2014
Mathematics
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The relation S is defined on the set of integers Z as xSy if integer x divides integer y. Then
NDA Mathematics 2014
NDA 2014
Mathematics
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Every quadratic equation ax² + bx + c = 0 has where a, b, c ∈ R, a ≠ 0…
NDA Mathematics 2014
NDA 2014
General Ability
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Match List-I with List-II and select the correct answer using the code given below the Lists : List-I (Geographical feature)…
NDA General Ability 2014
NDA 2014
General Ability
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Which one of the following animals is cold-blooded?
NDA General Ability 2014
NDA 2014
General Ability
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Which one of the following substances is most likely to be used as soap?
NDA General Ability 2014
NDA 2014
General Ability
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Which of the following are the correct parameters for the common domestic power supply in India?
NDA General Ability 2014
NDA 2014