Question Library
Browse our collection of questions across various subjects
Mathematics
Easy
View
What is the mean of the above frequency distribution?
NDA Mathematics 2011
NDA 2011
Mathematics
Easy
View
What is the median of the above frequency distribution?
NDA Mathematics 2011
NDA 2011
Mathematics
Easy
View
Consider the following statements in respect of the above frequency distribution : 1. The median is contained in the modal…
NDA Mathematics 2011
NDA 2011
Mathematics
Easy
View
In a triangle ABC, if c = 2, A = 120°, a = √6, then what is C equal to…
NDA Mathematics 2011
NDA 2011
Mathematics
Easy
View
Let p, q, r, s be respectively the magnitudes of the vectors 3i – 2j, 2i + 2j + k,…
NDA Mathematics 2011
NDA 2011
Mathematics
Easy
View
What is the locus of a point which moves equidistant from the coordinate axes?
NDA Mathematics 2011
NDA 2011
Mathematics
Easy
View
What are the points of intersection of the curve 4x² – 9y² = 1 with its conjugate axis?
NDA Mathematics 2011
NDA 2011
Mathematics
Easy
View
What is the area bounded by the curves y = eˣ, y = e⁻ˣ and the straight line x =…
NDA Mathematics 2011
NDA 2011
Mathematics
Easy
View
What is the acute angle between the planes x + y + 2z = 3 and –2x + y –…
NDA Mathematics 2011
NDA 2011
Mathematics
Easy
View
Which one of the following points lies on the plane 2x + 3y – 6z = 21 ?
NDA Mathematics 2011
NDA 2011
Mathematics
Easy
View
Consider the following relations among the angles α, β, γ made by a vector with the coordinate axes : 1.…
NDA Mathematics 2011
NDA 2011
Mathematics
Easy
View
If A and B are events such that P(A ∪ B) = 0.5, P(B) = 0.8 and P(A|B) = 0.4,…
NDA Mathematics 2011
NDA 2011
Mathematics
Easy
View
For the equation ax² + by² + 2hxy + 2gx + 2fy + c = 0 where a ≠ 0,…
NDA Mathematics 2011
NDA 2011
Mathematics
Easy
View
A box contains 6 distinct dolls. From this box, three dolls are randomly selected one by one with replacement. What…
NDA Mathematics 2011
NDA 2011
Mathematics
Easy
View
If the values of a set are measured in cm, what will be the unit of variance?
NDA Mathematics 2011
NDA 2011
Mathematics
Easy
View
Consider the following statements with regard to correlation coefficient r between random variables x and y : 1. r =…
NDA Mathematics 2011
NDA 2011
Mathematics
Easy
View
Consider the following : 1. cosec⁻¹(–2/√3) = –π/3 2. sec⁻¹(2/√3) = π/6 Which of the above is/are correct?
NDA Mathematics 2011
NDA 2011
Mathematics
Easy
View
If, in general, the value of sin A is known, but the value of A is not known, then how…
NDA Mathematics 2011
NDA 2011
Mathematics
Easy
View
An experiment consists of flipping a coin and then flipping it a second time if head occurs. If a tail…
NDA Mathematics 2011
NDA 2011