Question Library
Browse our collection of questions across various subjects
General Ability
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Consider the following movements : 1.Moplah Rebellion 2.Bardoli Satyagraha 3.Champaran Satyagraha 4.Salt Satyagraha Which one of the following is the…
NDA General Ability 2017
NDA 2017
Mathematics
Easy
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The coefficient of correlation when coefficients of regression are 0·2 and 1·8 is
NDA Mathematics 2017
NDA 2017
Mathematics
Easy
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Five sticks of length 1, 3, 5, 7 and 9 feet are given. Three of these sticks are selected at…
NDA Mathematics 2017
NDA 2017
Mathematics
Easy
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Consider the following statements : 1. Variance is unaffected by change of origin and change of scale. 2. Coefficient of…
NDA Mathematics 2017
NDA 2017
Mathematics
Easy
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If x₁ and x₂ are positive quantities, then the condition for the difference between the arithmetic mean and the geometric…
NDA Mathematics 2017
NDA 2017
Mathematics
Easy
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In a multiple-choice test, an examinee either knows the correct answer with probability p, or guesses with probability 1 –…
NDA Mathematics 2017
NDA 2017
Mathematics
Easy
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If a variable takes values 0, 1, 2, 3, …, n with frequencies 1, C(n, 1), C(n, 2), C(n, 3),…
NDA Mathematics 2017
NDA 2017
Mathematics
Easy
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The following table gives the monthly expenditure of two families: Items Family A Family B Food 3,500 2,700 Clothing 500…
NDA Mathematics 2017
NDA 2017
Mathematics
Easy
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If P(B) = 3/4, P(A ∩ B ∩ C̄) = 1/3 and P(Ā ∩ B ∩ C̄) = 1/3, then…
NDA Mathematics 2017
NDA 2017
Mathematics
Easy
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It is given that X̄ = 10, Ȳ = 90, σx = 3, σy = 12 and rxy = 0.8.…
NDA Mathematics 2017
NDA 2017
Mathematics
Easy
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What is the probability that at least two persons out of a group of three persons were born in the…
NDA Mathematics 2017
NDA 2017
Mathematics
Easy
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The probability that a ship safely reaches a port is 1/3. The probability that out of 5 ships, at least…
NDA Mathematics 2017
NDA 2017
Mathematics
Easy
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In a binomial distribution, the mean is 2/3 and the variance is 5/9. What is the probability that X =…
NDA Mathematics 2017
NDA 2017
Mathematics
Easy
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Let A and B be two events with P(A) = 1/3, P(B) = 1/6 and P(A ∩ B) = 1/12.…
NDA Mathematics 2017
NDA 2017
Mathematics
Easy
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Which one of the following can be considered as appropriate pair of values of regression coefficient of y on x…
NDA Mathematics 2017
NDA 2017
Mathematics
Easy
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Given that the arithmetic mean and standard deviation of a sample of 15 observations are 24 and 0 respectively. Then…
NDA Mathematics 2017
NDA 2017
Mathematics
Easy
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Consider the following statements: 1. Coefficient of variation depends on the unit of measurement of the variable. 2. Range is…
NDA Mathematics 2017
NDA 2017
Mathematics
Easy
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For two events A and B, let P(A) = 1/2, P(A ∪ B) = 2/3 and P(A ∩ B) =…
NDA Mathematics 2017
NDA 2017
Mathematics
Easy
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Let the sample space consist of non-negative integers up to 50, X denote the numbers which are multiples of 3…
NDA Mathematics 2017
NDA 2017
Mathematics
Easy
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Let a die be loaded in such a way that even faces are twice likely to occur as the odd…
NDA Mathematics 2017
NDA 2017