Question Library
Browse our collection of questions across various subjects
Mathematics
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A coin is tossed three times. What is the probability of getting head and tail alternately?
NDA Mathematics 2016
NDA 2016
Mathematics
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Let α, β, γ be distinct real numbers. The points with position vectors αi + βj + γk, βi +…
NDA Mathematics 2015
NDA 2015
Mathematics
Easy
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Two independent events A and B have P(A) = 3/5 and P(B) = 5/8. What is the probability that exactly…
NDA Mathematics 2016
NDA 2016
Mathematics
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Three dice are thrown simultaneously. What is the probability that the sum on the three faces is at least 5?
NDA Mathematics 2016
NDA 2016
Mathematics
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What is the mean deviation from the mean of the numbers 10, 9, 21, 16, 24?
NDA Mathematics 2016
NDA 2016
General Ability
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Which one of the following Indian states has the highest proportion of area under forest cover ?
NDA General Ability 2015
NDA 2015
Mathematics
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If A = (cos 12° − cos 36°)(sin 96° + sin 24°) and B = (sin 60° − sin 12°)(cos…
NDA Mathematics 2016
NDA 2016
Mathematics
Easy
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Consider the following statements : 1. If ABC is an equilateral triangle, then 3 tan (A + B) tan C…
NDA Mathematics 2016
NDA 2016
General Ability
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Why is Graphite used in electrolytic cells ?
NDA General Ability 2015
NDA 2015
Mathematics
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(a, 2b) is the mid-point of the line segment joining the points (10, -6) and (k, 4). If a –…
NDA Mathematics 2016
NDA 2016
Mathematics
Easy
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What is the number of natural numbers less than or equal to 1000 which are neither divisible by 10 nor…
NDA Mathematics 2016
NDA 2016
General Ability
Easy
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An object is placed 10 cm in front of a convex lens of focal length 15 cm. The image produced…
NDA General Ability 2015
NDA 2015
General Ability
Easy
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A ray of light when refracted suffers change in velocity. In this context, which one among the following statements is…
NDA General Ability 2015
NDA 2015
Mathematics
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If |a⃗| = 7, |b⃗| = 11 and |a⃗ + b⃗| = 10√3, then |a⃗ – b⃗| is equal to
NDA Mathematics 2015
NDA 2015
Mathematics
Easy
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Let R be a relation on the set N of natural numbers defined by nRm ⇔ n is a factor…
NDA Mathematics 2016
NDA 2016
Mathematics
Easy
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Given that the vectors a⃗ and b⃗ are non-collinear. The values of x and y for which r⃗ – u⃗…
NDA Mathematics 2015
NDA 2015
Mathematics
Easy
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What is the binary equivalent of the decimal number 0·3125?
NDA Mathematics 2016
NDA 2016
Mathematics
Easy
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A force F = 3i + 4j – 3k is applied at the point P, whose position vector is r…
NDA Mathematics 2015
NDA 2015