Question Library
Browse our collection of questions across various subjects
General Ability
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In this question each item consists of a sentence with an underlined word/words followed by four words. Select the option…
NDA General Ability 2018
NDA 2018
General Ability
Easy
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In this question each item consists of a sentence with an underlined word/words followed by four words. Select the option…
NDA General Ability 2018
NDA 2018
Mathematics
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A survey of 850 students in a University yields that 680 students like music and 215 like dance. What is…
NDA Mathematics 2018
NDA 2018
Mathematics
Easy
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Let [x] denote the greatest integer function. What is the number of solutions of the equation x² – 4x +…
NDA Mathematics 2018
NDA 2018
Mathematics
Easy
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What is C(n, r) + 2C(n, r – 1) + C(n, r – 2) equal to?
NDA Mathematics 2018
NDA 2018
Mathematics
Easy
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Consider the following statements: 1. cosθ + secθ can never be equal to 1.5. 2. tanθ + cotθ can never…
NDA Mathematics 2019
NDA 2019
Mathematics
Easy
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What is the number of triangles that can be formed by choosing the vertices from a set of 12 points…
NDA Mathematics 2018
NDA 2018
Mathematics
Easy
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If cosec θ = 29/21 where 0 < θ < 90°, then what is the value of 4secθ + 4tanθ?
NDA Mathematics 2019
NDA 2019
Mathematics
Easy
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If A =| 1 2 || 2 3 |and A² – kA – I₂ = 0, where I₂ is the…
NDA Mathematics 2018
NDA 2018
Mathematics
Easy
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A binary number is represented by (cdcddccccddd)₂, where c > d. What is its decimal equivalent?
NDA Mathematics 2019
NDA 2019
Mathematics
Easy
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If A is a 2×3 matrix and AB is a 2×5 matrix, then B must be a
NDA Mathematics 2018
NDA 2018
Mathematics
Easy
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Let S = {2, 4, 6, 8, ……….. 20}. What is the maximum number of subsets does S have?
NDA Mathematics 2019
NDA 2019
Mathematics
Easy
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What is the inverse of the matrixA =| cos 0 sin 0 0 || –sin 0 cos 0 0 ||…
NDA Mathematics 2018
NDA 2018
Mathematics
Easy
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Consider the following statements in respect of the quadratic equation 4(x – p)(x – q) – r² = 0, where…
NDA Mathematics 2019
NDA 2019
Mathematics
Easy
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How many real roots does the equation x² + 3|x| + 2 = 0 have?
NDA Mathematics 2019
NDA 2019
Mathematics
Easy
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If x^{logₓ x} > 7 where x > 0, then which one of the following is correct?
NDA Mathematics 2019
NDA 2019
Mathematics
Easy
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If x = 1 – y + y² – y³ + … up to infinite terms, where |y| < 1,…
NDA Mathematics 2018
NDA 2018
Mathematics
Easy
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What is the solution of x ≤ -4, y ≥ 0 and x ≤ 4, y ≤ 0?
NDA Mathematics 2019
NDA 2019
Mathematics
Easy
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What is the greatest integer among the following by which the number 5⁶ + 7⁶ is divisible?
NDA Mathematics 2018
NDA 2018
Mathematics
Easy
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If 3rd, 8th and 13th terms of a GP are p, q and r respectively, then which one of the…
NDA Mathematics 2019
NDA 2019