Question Library
Browse our collection of questions across various subjects
General Ability
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The Damuda series of Gondwana system has three stages, namely, Raniganj, Barren Rocks and Barakar. The middle stage is called…
NDA General Ability 2012
NDA 2012
General Ability
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Two thin convex lenses of focal lengths 4 cm and 8 cm are separated by a distance of 4 cm…
NDA General Ability 2012
NDA 2012
General Ability
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Two metallic wires A and B are of same material and have equal length. If the cross-sectional area of B…
NDA General Ability 2012
NDA 2012
General Ability
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The torque on a rectangular coil placed in a uniform magnetic field is large when the
NDA General Ability 2012
NDA 2012
General Ability
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The thermal conductivity of copper is 4 times that of brass. Two rods of copper and brass having same length…
NDA General Ability 2012
NDA 2012
General Ability
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If the focal length of the biconvex lens is 25 cm, then the power of the lens will be
NDA General Ability 2012
NDA 2012
General Ability
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The resistance of a wire is 10 Ω. If it is stretched ten times, the resistance will be
NDA General Ability 2012
NDA 2012
General Ability
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A body attached to a spring balance weighs 10 kg on the Earth. The body attached to the same spring…
NDA General Ability 2012
NDA 2012
General Ability
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Which one among the following is not produced by sound waves in air?
NDA General Ability 2012
NDA 2012
General Ability
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Which one among the following was a newspaper founded and edited by Raja Rammohan Roy?
NDA General Ability 2012
NDA 2012
Mathematics
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What is the solution set for the equation x⁴ – 26x² + 25 = 0 ?
NDA Mathematics 2011
NDA 2011
Mathematics
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The line mx + ny = 1 passes through the points (1, 2) and (2, 1). What is the value…
NDA Mathematics 2011
NDA 2011
Mathematics
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Consider the following statements in respect of the vectors u₁ = (1, 2, 3), u₂ = (2, 3, 1), u₃…
NDA Mathematics 2011
NDA 2011
Mathematics
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Which one of the following is the unit vector perpendicular to the vectors 4i + 2j and –3i + 2j…
NDA Mathematics 2011
NDA 2011
Mathematics
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What is ∫ (sin√x / √x) dx equal to? where c is a constant of integration.
NDA Mathematics 2011
NDA 2011
Mathematics
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What is lim (√(a²x² + ax + 1) – √(a²x² + 1)) as x → ∞ equal to?
NDA Mathematics 2011
NDA 2011
Mathematics
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If x = sinθ + cosθ and y = sinθ.cosθ, then what is the value of x⁴ – 4x²y –…
NDA Mathematics 2011
NDA 2011
Mathematics
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If A and B are two mutually exclusive events, then what is P(AB) equal to?
NDA Mathematics 2011
NDA 2011
Mathematics
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What is the cumulative frequency curve of statistical data commonly called?
NDA Mathematics 2011
NDA 2011
Mathematics
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What is the geometric mean of the data 2, 4, 8, 16, 32?
NDA Mathematics 2011
NDA 2011