Question Library
Browse our collection of questions across various subjects
Mathematics
Easy
View
If sin α + sin β = 0 = cos α + cos β, where 0 < β < α…
NDA Mathematics 2018
NDA 2018
Mathematics
Easy
View
If sin(x + y) = (a – b) / (sin(x – y) = a – b), then what is tan…
NDA Mathematics 2018
NDA 2018
Mathematics
Easy
View
A spherical balloon of radius r subtends an angle α at the eye of an observer, while the angle of…
NDA Mathematics 2018
NDA 2018
Mathematics
Easy
View
If a flag-staff of 6 m height placed on the top of a tower throws a shadow of 2√3 m…
NDA Mathematics 2018
NDA 2018
Mathematics
Easy
View
ABC is a triangle inscribed in a circle with centre O. Let α = ∠BAC, where 45° < α <…
NDA Mathematics 2018
NDA 2018
Mathematics
Easy
View
If x, x – y and x + y are the angles of a triangle (not an equilateral triangle) such…
NDA Mathematics 2018
NDA 2018
Mathematics
Easy
View
In a triangle ABC if a = 2, b = 3 and sin A = 2/3, then what is angle…
NDA Mathematics 2018
NDA 2018
Mathematics
Easy
View
What is (sin 5x – sin 3x)/(cos 5x + cos 3x) equal to?
NDA Mathematics 2018
NDA 2018
Mathematics
Easy
View
If sin x = 1/√5, sin y = 1/√10, where 0 < x < π/2, 0 < y < π/2,…
NDA Mathematics 2018
NDA 2018
Mathematics
Easy
View
What is the value of the sum ∑ (xⁿ + xⁿ⁺¹), where i = √–1? (from n = 2 to…
NDA Mathematics 2018
NDA 2018
Mathematics
Easy
View
If x, 3/2, z are in AP; x, 3, z are in GP; then which one of the following will…
NDA Mathematics 2018
NDA 2018
Mathematics
Easy
View
The third term of a GP is 3. What is the product of the first five terms?
NDA Mathematics 2018
NDA 2018
Mathematics
Easy
View
If 0 < a < 1, the value of log₁₀a is negative. This is justified by
NDA Mathematics 2018
NDA 2018
Mathematics
Easy
View
What is the sum of all two-digit numbers which when divided by 3 leave 2 as the remainder?
NDA Mathematics 2018
NDA 2018
General Ability
Easy
View
Which one of the following gives the highest amount of hydrogen ions (H⁺)?
NDA General Ability 2018
NDA 2018
General Ability
Easy
View
Which of the following properties is true for a tooth paste?
NDA General Ability 2018
NDA 2018
General Ability
Easy
View
The accidental touch of Nettle leaves creates a burning sensation, which is due to inject of
NDA General Ability 2018
NDA 2018