Question Library
Browse our collection of questions across various subjects
Mathematics
Easy
View
If l, m, n are the direction cosines of the line x – 1 = 2(y + 3) = 1…
NDA Mathematics 2021
NDA 2021
Mathematics
Easy
View
What is the angle between the two lines having direction ratios (6, 3, 6) and (3, 3, 0)?
NDA Mathematics 2021
NDA 2021
Mathematics
Easy
View
Consider the following with regard to eccentricity (e) of a conic section: 1.e = 0 for circle 2.e = 1…
NDA Mathematics 2021
NDA 2021
Mathematics
Easy
View
If any point on a hyperbola is (3 tan θ, 2 sec θ), then what is the eccentricity of the…
NDA Mathematics 2021
NDA 2021
Mathematics
Easy
View
The point of intersection of diagonals of a square ABCD is at the origin and one of its vertices is…
NDA Mathematics 2021
NDA 2021
Mathematics
Easy
View
What is the acute angle between the lines x – 2 = 0 and √3x – y – 2 =…
NDA Mathematics 2021
NDA 2021
Mathematics
Easy
View
Consider the following statements in respect of the points (p, p – 3), (q + 3, q) and (6, 3):…
NDA Mathematics 2021
NDA 2021
Mathematics
Easy
View
If the image of the point (–4, 2) by a line mirror is (4, –2), then what is the equation…
NDA Mathematics 2021
NDA 2021
Mathematics
Easy
View
If A, B and C are in AP, then the straight line Ax + 2By + C = 0 will…
NDA Mathematics 2021
NDA 2021
Mathematics
Easy
View
If the lines y + px = 1 and y – qx = 2 are perpendicular, then which one of…
NDA Mathematics 2021
NDA 2021
Mathematics
Easy
View
A parallelogram has three consecutive vertices (–3, 4), (0, –4) and (5, 2). The fourth vertex is
NDA Mathematics 2021
NDA 2021
Mathematics
Easy
View
What is the radius of the circle 4x² + 4y² – 20x + 12y – 15 = 0?
NDA Mathematics 2021
NDA 2021
Mathematics
Easy
View
With the numbers 2, 4, 6, 8, all the possible determinants with these four different elements are constructed. What is…
NDA Mathematics 2021
NDA 2021
Mathematics
Easy
View
The element in the ith row and the jth column of a determinant of third order is equal to 2(i…
NDA Mathematics 2021
NDA 2021
Mathematics
Easy
View
The third term of a GP is 3. What is the product of its first five terms?
NDA Mathematics 2021
NDA 2021
Mathematics
Easy
View
If x², x, –8 are in AP, then which one of the following is correct?
NDA Mathematics 2021
NDA 2021
General Ability
Easy
View
Which of the following are the primary colours of light?
NDA General Ability 2021
NDA 2021
General Ability
Easy
View
Which one of the following colours may be obtained by combining green and red colours?
NDA General Ability 2021
NDA 2021
General Ability
Easy
View
Numerically two thermometers, one in Fahrenheit scale and another in Celsius scale shall read same at
NDA General Ability 2021
NDA 2021