NDA / CDS / AFCAT - MCQ Practice Questions

If sin θ = $\frac{3}{5}$ and θ is in the second quadrant, find cos θ.

What is the sum of angles in a polygon with 8 sides?

If log₂ x = 5, then x = ?

The HCF of 36 and 48 is:

If a + b = 10 and ab = 21, find a² + b².

Find the derivative of f(x) = 3x² + 2x + 1 with respect to x.

The perimeter of a rectangle is 28 cm and its length is 8 cm. Find its breadth.

The LCM of 12 and 18 is:

If sin θ = $\frac{3}{5}$ and θ is acute, find the value of cot θ.

The sum of interior angles of a polygon with 8 sides is:

If 3x - 7 = 2, what is the value of x?

What is the value of 4³ × 2⁻² ?

The HCF of 48 and 64 is:

If 2^(x+1) = 32, find the value of x.

A number when divided by 7 gives quotient 12 and remainder 3. The number is:

What is the probability of getting a prime number when a die is rolled?

If x² - 5x + 6 = 0, find the sum of the roots.

A person invests Rs. 5000 at 8% per annum simple interest for 3 years. The interest earned is:

The distance between points (1, 2) and (4, 6) is:

In how many ways can 5 people be arranged in a line?