Question Library
Browse our collection of questions across various subjects
Mathematics
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Which one of the following matrices is an elementary matrix?
NDA Mathematics 2015
NDA 2015
Mathematics
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Let X be the set of all persons living in a city. Persons x, y in X are said to…
NDA Mathematics 2015
NDA 2015
Mathematics
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The mean and standard deviation of a binomial distribution are 12 and 2 respectively. What is the number of trials?
NDA Mathematics 2017
NDA 2017
Mathematics
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Let A and B are two mutually exclusive events with P(A) = 1/4 and P(B) = 1/3. What is the…
NDA Mathematics 2017
NDA 2017
Mathematics
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If two fair dice are thrown, then what is the probability that the sum is neither 8 nor 9?
NDA Mathematics 2017
NDA 2017
Mathematics
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A sample of 5 observations has mean 32 and median 33. Later it is found that an observation was recorded…
NDA Mathematics 2017
NDA 2017
Mathematics
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If the regression coefficient of x on y and y on x are -1/2 and -1/8 respectively, then what is…
NDA Mathematics 2017
NDA 2017
Mathematics
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Consider the following statements : 1.Two events are mutually exclusive if the occurrence of one event prevents the occurrence of…
NDA Mathematics 2017
NDA 2017
Mathematics
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For given statistical data, the graphs for less than ogive and more than ogive are drawn. If the point at…
NDA Mathematics 2017
NDA 2017
Mathematics
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Data can be represented in which of the following forms? 1.Textual form 2.Tabular form 3.Graphical form Select the correct answer…
NDA Mathematics 2017
NDA 2017
Mathematics
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If the data are moderately non-symmetrical, then which one of the following empirical relationships is correct?
NDA Mathematics 2017
NDA 2017
Mathematics
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A card is drawn from a well-shuffled ordinary deck of 52 cards. What is the probability that it is an…
NDA Mathematics 2017
NDA 2017
Mathematics
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Consider the following statements : Statement 1 : Range is not a good measure of dispersion. Statement 2 : Range…
NDA Mathematics 2017
NDA 2017
Mathematics
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In an examination, 40% of candidates got second class. When the data are represented by a pie chart, what is…
NDA Mathematics 2017
NDA 2017
Mathematics
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If two regression lines between height (x) and weight (y) are 4y – 15x + 410 = 0 and 30x…
NDA Mathematics 2017
NDA 2017
Mathematics
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A point is chosen at random inside a circle. What is the probability that the distance is closer to the…
NDA Mathematics 2017
NDA 2017
Mathematics
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For two dependent events A and B, it is given that P(A) = 0.2 and P(B) = 0.5. If A…
NDA Mathematics 2017
NDA 2017
Mathematics
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The mean weight of 150 students in a certain class is 60 kg. The mean weight of boys in the…
NDA Mathematics 2017
NDA 2017
Mathematics
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A question is given to three students A, B and C whose chances of solving it are 1/2, 1/3 and…
NDA Mathematics 2017
NDA 2017
Mathematics
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A committee of two persons is constituted from two men and two women. What is the probability that the committee…
NDA Mathematics 2017
NDA 2017