Question Library
Browse our collection of questions across various subjects
Mathematics
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A fair coin is tossed four times. What is the probability that at most three tails occur ?
NDA Mathematics 2014
NDA 2014
Mathematics
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Two students X and Y appeared in an examination. The probability that X will qualify the examination is 0.05 and…
NDA Mathematics 2014
NDA 2014
Mathematics
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The variance of 20 observations is 5. If each observation is multiplied by 2, then what is the new variance…
NDA Mathematics 2014
NDA 2014
Mathematics
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What is the mean deviation about the mean for the data 4, 7, 8, 9, 10, 12, 13, 17 ?
NDA Mathematics 2014
NDA 2014
Mathematics
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If x̄ and ȳ are the means of two distributions such that x̄ < ȳ and z̄ is the mean…
NDA Mathematics 2014
NDA 2014
Mathematics
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There are 4 white and 3 black balls in a box. In another box, there are 3 white and 4…
NDA Mathematics 2014
NDA 2014
Mathematics
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The probability that in a random arrangement of the letters of the word ‘UNIVERSITY’, the two I’s do not come…
NDA Mathematics 2014
NDA 2014
Mathematics
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For any two events A and B, which one of the following holds ?
NDA Mathematics 2014
NDA 2014
Mathematics
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The regression lines will be perpendicular to each other if the coefficient of correlation r is equal to
NDA Mathematics 2014
NDA 2014
Mathematics
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Consider the following statements in respect of histogram : 1.The histogram is a suitable representation of a frequency distribution of…
NDA Mathematics 2014
NDA 2014
Mathematics
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Consider events A, B, C, D, E of the sample space S = {n : n is an integer such…
NDA Mathematics 2014
NDA 2014
Mathematics
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Consider events A, B, C, D, E of the sample space S = {n : n is an integer such…
NDA Mathematics 2014
NDA 2014
Mathematics
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Consider events A, B, C, D, E of the sample space S = {n : n is an integer such…
NDA Mathematics 2014
NDA 2014
Mathematics
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Consider events A, B, C, D, E of the sample space S = {n : n is an integer such…
NDA Mathematics 2014
NDA 2014
Mathematics
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Suppose A and B are two events. Event B has occurred and it is known that P(B) < 1. What…
NDA Mathematics 2014
NDA 2014
Mathematics
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Consider the function f”(x) = sec^4 x + 4 with f(0) = 0 and f'(0) = 0. What is f(x)…
NDA Mathematics 2014
NDA 2014
Mathematics
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Consider the function f”(x) = sec^4 x + 4 with f(0) = 0 and f'(0) = 0. What is f'(x)…
NDA Mathematics 2014
NDA 2014
Mathematics
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A cylinder is inscribed in a sphere of radius r. What is the radius of the cylinder of maximum volume…
NDA Mathematics 2014
NDA 2014
Mathematics
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A cylinder is inscribed in a sphere of radius r. What is the height of the cylinder of maximum volume…
NDA Mathematics 2014
NDA 2014
Mathematics
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What is ∫₀^(π/2) dx / (a²cos²x + b²sin²x) equal to ?
NDA Mathematics 2014
NDA 2014