NDA / CDS / AFCAT - MCQ Practice Questions
Practice <strong>NDA, CDS, AFCAT, CAPF</strong> MCQ questions covering Mathematics, English, General Knowledge, General Science, and Current Affairs. Perfect for Indian Army, Navy, and Air Force officer aspirants.
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Q.41Medium
If tan A = 1, find the value of 2 sin A cos A.
Q.42Medium
If sin θ = and θ is acute, find the value of (5 cos θ + 4 tan θ).
Q.43Medium
In a circle with radius 7 cm, a chord subtends an angle of 90° at the center. Find the length of the chord.
Q.44Medium
If log₂(x) + log₂(x-1) = 3, find x.
Q.45Medium
Find the value of cos 15° + cos 75°.
Q.46Medium
If x = 2 + √3, find the value of x² + 1/x².
Q.47Medium
If the polynomial p(x) = x³ - 6x² + 11x - 6 has roots α, β, γ, find α + β + γ.