Question Library
Browse our collection of questions across various subjects
Mathematics
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Let A be a pyramid on a square base and B a cube. Let a, b, c denote the number…
CDS Elementary Mathematics 2013
CDS 2013
Mathematics
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The perimeter of a rectangle having area equal to 144 cm² and sides in the ratio 4 : 9 is
CDS Elementary Mathematics 2013
CDS 2013
General Knowledge
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The income elasticity of demand for inferior goods is :
CDS General Knowledge 2013
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Mathematics
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If α and β are the roots of the equation x² − x − 1 = 0, then what is…
CDS Elementary Mathematics 2013
CDS 2013
Mathematics
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Consider the following statements in respect of the quadratic equation ax² + bx + c = 0, where a ≠…
CDS Elementary Mathematics 2013
CDS 2013
General Knowledge
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The average fixed cost curve will always be :
CDS General Knowledge 2013
CDS 2013
General Knowledge
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In a perfectly competitive economy, production and consumption will both be Pareto optimal, if the economy operates at a point…
CDS General Knowledge 2013
CDS 2013
Mathematics
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If m and n are natural numbers, then ⁿ√m is
CDS Elementary Mathematics 2013
CDS 2013
General Knowledge
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If the average total cost is declining then
CDS General Knowledge 2013
CDS 2013
Mathematics
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20 workers working for 5 hours a day complete a work in 10 days. If 25 workers are employed to…
CDS Elementary Mathematics 2013
CDS 2013
General Knowledge
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The production function of a firm will change whenever :
CDS General Knowledge 2013
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Mathematics
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A man cycles with a speed of 10 kmph and reaches his office at 1 p.m. However, when he cycles…
CDS Elementary Mathematics 2013
CDS 2013
Mathematics
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4 goats or 6 sheep can graze a field in 50 days. 2 goats and 9 sheep can graze the…
CDS Elementary Mathematics 2013
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Mathematics
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Two cars A and B start simultaneously from a certain place at the speed of 30 km/hr and 45 km/hr…
CDS Elementary Mathematics 2013
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Mathematics
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If x is a positive even integer and y is a negative odd integer, then xʸ is
CDS Elementary Mathematics 2013
CDS 2013
Mathematics
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A can finish a work in 15 days, B in 20 days and C in 25 days. All these three…
CDS Elementary Mathematics 2013
CDS 2013
Mathematics
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A bus starts with some passengers. At the first stop, one-fifth of the passengers gets down and 40 passengers get…
CDS Elementary Mathematics 2013
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Mathematics
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The pair of rational numbers that lies between ¼ and ¾ is
CDS Elementary Mathematics 2013
CDS 2013
Mathematics
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18 men can earn ₹360 in 5 days. How much money will 15 men earn in 9 days?
CDS Elementary Mathematics 2013
CDS 2013
Mathematics
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A train running at the speed of 72 kmph goes past a pole in 15 seconds. What is the length…
CDS Elementary Mathematics 2013
CDS 2013