Question Library
Browse our collection of questions across various subjects
General Ability
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The seeds of flowering plants are made up of
NDA General Ability 2015
NDA 2015
Mathematics
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In an examination, the probability of a candidate solving a question is 1/2. Out of given 5 questions in the…
NDA Mathematics 2015
NDA 2015
Mathematics
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Two similar boxes Bi (i = 1, 2) contain (i + 1) red and (5 – i – 1) black…
NDA Mathematics 2015
NDA 2015
Mathematics
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Two men hit at a target with probabilities 1/2 and 1/3 respectively. What is the probability that exactly one of…
NDA Mathematics 2015
NDA 2015
Mathematics
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What is the probability of 5 Sundays in the month of December?
NDA Mathematics 2016
NDA 2016
Mathematics
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A set of annual numerical data, comparable over the years, is given for the last 12 years.Consider the following statements:…
NDA Mathematics 2015
NDA 2015
Mathematics
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For two mutually exclusive events A and B, P(A) = 0.2 and P(A ∪ B) = 0.3. What is P(A…
NDA Mathematics 2016
NDA 2016
Mathematics
Easy
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Which of the following statements is/are correct in respect of regression coefficients? 1.It measures the degree of linear relationship between…
NDA Mathematics 2015
NDA 2015
General Ability
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Gametophytes of sexually reproducing flowering plants are
NDA General Ability 2015
NDA 2015
Mathematics
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A certain type of missile hits the target with probability p = 0.3. What is the least number of missiles…
NDA Mathematics 2016
NDA 2016
Mathematics
Easy
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The correlation coefficient between two variables X and Y is found to be 0.6. All the observations on X and…
NDA Mathematics 2015
NDA 2015
Mathematics
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If two dice are thrown, then what is the probability that the sum on the two faces is greater than…
NDA Mathematics 2016
NDA 2016
General Ability
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To a perpendicular to the plane of ecliptic, Earth’s axis of rotation makes an angle of 23 1/2 degrees. Had…
NDA General Ability 2015
NDA 2015
Mathematics
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Which one of the following measures of central tendency is used in construction of index numbers?
NDA Mathematics 2015
NDA 2015
Mathematics
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The mean and the variance of 10 observations are given to be 4 and 2 respectively. If every observation is…
NDA Mathematics 2015
NDA 2015
General Ability
Easy
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Match List I with List II and select the correct answer using the code given below the Lists: List I …
NDA General Ability 2015
NDA 2015
Mathematics
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A card is drawn from a well-shuffled deck of 52 cards. What is the probability that it is queen of…
NDA Mathematics 2016
NDA 2016
Mathematics
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If a + b || a – b, then which one of the following is correct?
NDA Mathematics 2015
NDA 2015
Mathematics
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If the total number of observations is 20, Σxᵢ = 1000 and Σxᵢ² = 84000, then what is the variance…
NDA Mathematics 2016
NDA 2016
Mathematics
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If a + b + c = 0, then which of the following is/are correct? 1.a, b, c are coplanar.…
NDA Mathematics 2015
NDA 2015