Question Library
Browse our collection of questions across various subjects
Mathematics
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If the second term of a GP is 2 and the sum of its infinite terms is 8, then the…
NDA Mathematics 2018
NDA 2018
Mathematics
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Consider the following values of x: 1. 8 2. –4 3. 1/6 4. –1/4 Which of the above values of…
NDA Mathematics 2018
NDA 2018
Mathematics
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If cos α and cos β (0 < α < β < π) are the roots of the quadratic equation…
NDA Mathematics 2018
NDA 2018
Mathematics
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If θ = π/8, then what is the value of (2cosθ+1)^10 (2cos2θ–1)^10 (2cos6θ–1)^10 (2cos4θ–1)^10
NDA Mathematics 2018
NDA 2018
Mathematics
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What is/are the solution(s) of the trigonometric equation cosec x + cot x = √3, where 0 < x <…
NDA Mathematics 2018
NDA 2018
Mathematics
Easy
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The top of a hill observed from the top and bottom of a building of height h is at angles…
NDA Mathematics 2018
NDA 2018
Mathematics
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A is an angle in the fourth quadrant. It satisfies the trigonometric equation3(3 – tan^2A – cotA)^2 = 1. Which…
NDA Mathematics 2018
NDA 2018
Mathematics
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A balloon is directly above one end of a bridge. The angle of depression of the other end of the…
NDA Mathematics 2018
NDA 2018
Mathematics
Easy
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If A+B+C = 180°, then what is sin2A – sin2B – sin2C equal to?
NDA Mathematics 2018
NDA 2018
Mathematics
Easy
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If sec(θ – α), sec θ and sec(θ + α) are in AP, where cos α ≠ 0, then what…
NDA Mathematics 2018
NDA 2018
Mathematics
Easy
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Consider the following in respect of matrices A and B of same order: 1. A^2 – B^2 = (A+B)(A–B) 2.…
NDA Mathematics 2018
NDA 2018
Mathematics
Easy
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If A, B and C are the angles of a triangle and | 1 1 1 || 1+sinA 1+sinB 1+sinC…
NDA Mathematics 2018
NDA 2018
Mathematics
Easy
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What is the determinant of the matrix | x x+y z || z x x+z || y z+x y |
NDA Mathematics 2018
NDA 2018
Mathematics
Easy
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The total number of 5-digit numbers that can be composed of distinct digits from 0 to 9 is
NDA Mathematics 2018
NDA 2018
Mathematics
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If (0.2)^x = 2 and log10 2 = 0.3010, then what is the value of x to the nearest tenth?
NDA Mathematics 2018
NDA 2018
General Ability
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In this question consists of a sentence the parts of which have been jumbled. These parts have been labelled P,…
NDA General Ability 2018
NDA 2018
General Ability
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In this question consists of a sentence the parts of which have been jumbled. These parts have been labelled P,…
NDA General Ability 2018
NDA 2018
General Ability
Easy
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In this question consists of a sentence the parts of which have been jumbled. These parts have been labelled P,…
NDA General Ability 2018
NDA 2018
General Ability
Easy
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In this question consists of a sentence the parts of which have been jumbled. These parts have been labelled P,…
NDA General Ability 2018
NDA 2018