Question Library
Browse our collection of questions across various subjects
General Knowledge
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Carbon or Graphite rods are used in atomic reactors as moderators for sustained nuclear chain reaction through nuclear fission process.…
CDS General Knowledge 2014
CDS 2014
General Knowledge
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The distribution of electrons into different orbits of an atom, as suggested by Bohr, is
CDS General Knowledge 2014
CDS 2014
General Knowledge
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An oscilloscope is an instrument which allows us to see waves produced by
CDS General Knowledge 2014
CDS 2014
General Knowledge
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In the phenomenon of dispersion of light, the light wave of shortest wavelength is
CDS General Knowledge 2014
CDS 2014
General Knowledge
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Inactive Nitrogen and Argon gases are usually used in electric bulbs in order to
CDS General Knowledge 2014
CDS 2014
General Knowledge
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Tungsten is used for the construction of filament in electric bulb because of its
CDS General Knowledge 2014
CDS 2014
General Knowledge
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The upper and lower portions in common type of bi-focal lenses are respectively
CDS General Knowledge 2014
CDS 2014
Mathematics
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A train travels at a speed of 40 km/hr and another train at a speed of 20 m/s. What is…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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If aₙ = 3-4n, then what is a₁ + a₂ + a₃ + … + aₙ equal to? [2 +…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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If every side of an equilateral triangle is doubled, then the area of new triangle becomes k times the area…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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Consider all those two-digit positive integers less than 50, which When divided by 4 yield unity as remainder. What is…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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The diameter of a metallic sphere is 6 cm. The sphere is melted and drawn into a wire of uniform…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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The sides of a triangle are in the 1 /2 : 1/3 : 1/4. If its perimeter is 52 cm,…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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How many pairs of positive integers m and n satisfy the equation 1/m + 4/n = 1/12 where n is…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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If the side of a cube is increased by 100%, then by what percentage is the surface area of the…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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If m% of m + n% of n = 2% of (m × n), then what percentage of m is…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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A man buys 200 oranges for ₹ 1,000. How many oranges for ₹ 100 can he sell so that his…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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A sum of money becomes 3 times in 5 years at simple interest. In how many years will the same…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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The difference between compound interest and simple interest for 2 years at the rate of 10% over principal amount of…
CDS Elementary Mathematics 2014
CDS 2014
Mathematics
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A shopkeeper sells his articles at their cost price but uses a faulty balance which reads 1000 g for 800…
CDS Elementary Mathematics 2014
CDS 2014