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 followed by four words. Select the option…
NDA General Ability 2021
NDA 2021
General Ability
Easy
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In this question each item consists of a sentence with an underlined word followed by four words. Select the option…
NDA General Ability 2021
NDA 2021
General Ability
Easy
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In this question each item consists of a sentence with an underlined word followed by four words. Select the option…
NDA General Ability 2021
NDA 2021
Mathematics
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If f(x + 1) = x² – 3x + 2, then what is f(x) equal to?
NDA Mathematics 2021
NDA 2021
Mathematics
Easy
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How many 5-digit prime numbers can be formed using the digits 1, 2, 3, 4, 5 if the repetition of…
NDA Mathematics 2021
NDA 2021
Mathematics
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Consider the following statements: 1.If each term of a GP is multiplied by same non-zero number, then the resulting sequence…
NDA Mathematics 2021
NDA 2021
Mathematics
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If the first term of an AP is 2 and the sum of the first five terms is equal to…
NDA Mathematics 2021
NDA 2021
Mathematics
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What is the sum of the coefficients of first and last terms in the expansion of (1 + x)²ⁿ, where…
NDA Mathematics 2021
NDA 2021
Mathematics
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What is C(n, 1) + C(n, 2) + ⋯ + C(n, n) equal to?
NDA Mathematics 2021
NDA 2021
Mathematics
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What is the coefficient of the middle term in the expansion of (1 + 4x + 4x²)⁵?
NDA Mathematics 2021
NDA 2021
Mathematics
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In how many ways can a team of 5 players be selected from 8 players so as not to include…
NDA Mathematics 2021
NDA 2021
Mathematics
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If one root of 5x² + 26x + k = 0 is reciprocal of the other, then what is the…
NDA Mathematics 2021
NDA 2021
Mathematics
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If α and β are the roots of the equation 4x² + 2x – 1 = 0, then which one…
NDA Mathematics 2021
NDA 2021
Mathematics
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What is the modulus of the complex number i²ⁿ⁺¹(–i)²ⁿ⁻¹, where n ∈ ℕ and i = √–1?
NDA Mathematics 2021
NDA 2021
Mathematics
Easy
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Consider the following statements in respect of an arbitrary complex number Z: 1.The difference of Z and its conjugate is…
NDA Mathematics 2021
NDA 2021
Mathematics
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Consider the following in respect of a complex number Z: 1. (Z⁻¹)̅ = (Z̅)⁻¹ 2. ZZ⁻¹ = |Z|²Which of the…
NDA Mathematics 2021
NDA 2021
Mathematics
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Consider the following statements: 1.A function f : ℤ → ℤ, defined by f(x) = x + 1, is one-one…
NDA Mathematics 2021
NDA 2021
Mathematics
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Let R be a relation defined as xRy if and only if 2x + 3y = 20, where x, y…
NDA Mathematics 2021
NDA 2021
Mathematics
Easy
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Consider the following statements: 1. The null set is a subset of every set. 2.Every set is a subset of…
NDA Mathematics 2021
NDA 2021
Mathematics
Easy
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Consider the following statements: 1.A = {1, 3, 5} and B = {2, 4, 7} are equivalent sets. 2.A =…
NDA Mathematics 2021
NDA 2021