Question Library
Browse our collection of questions across various subjects
Mathematics
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What is the difference between the sum of the cubes and that of squares of first ten natural numbers?
CDS Elementary Mathematics 2016
CDS 2016
Mathematics
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What is the remainder when 13³ + 14³ + 15³ + 16³ is divided by 29?
CDS Elementary Mathematics 2016
CDS 2016
Mathematics
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Let S be a set of first ten natural numbers. What is the possible number of pairs (a, b) where…
CDS Elementary Mathematics 2016
CDS 2016
Mathematics
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Suppose the class interval 10–15 has frequency 30, then what is the frequency density of this class interval?
CDS Elementary Mathematics 2016
CDS 2016
Mathematics
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Consider the following statements: 1. The classes of type 15–19, 20–24, 25–29 etc. are exclusive classes. 2. The classes of…
CDS Elementary Mathematics 2016
CDS 2016
Mathematics
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A pie chart depicts the classification of total funds of an organization according to different sources of funds. A particular…
CDS Elementary Mathematics 2016
CDS 2016
Mathematics
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In a class of 100 students, there are 70 boys whose average marks in a subject are 75. If the…
CDS Elementary Mathematics 2016
CDS 2016
Mathematics
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Number of credit cards held by an individual can be treated as
CDS Elementary Mathematics 2016
CDS 2016
Mathematics
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The mean of 20 observations is 17. On checking it was found that the two observations were wrongly copied as…
CDS Elementary Mathematics 2016
CDS 2016
Mathematics
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A cricketer has a certain average of 10 innings. In the eleventh inning he scored 108 runs, thereby increasing his…
CDS Elementary Mathematics 2016
CDS 2016
Mathematics
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The median of set of 9 distinct observations is 20.5. If each of the largest 4 observations of the set…
CDS Elementary Mathematics 2016
CDS 2016
Mathematics
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For x > 0, if a variable takes discrete values x + 4, x – 3.5, x – 2.5, x…
CDS Elementary Mathematics 2016
CDS 2016
Mathematics
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The average score of class X is 83. The average score of class Y is 76. The average score of…
CDS Elementary Mathematics 2016
CDS 2016
Mathematics
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What is the value of tan¹¹ × tan²² × tan³³ × tan⁴⁴ × … × tan⁸⁹ ?
CDS Elementary Mathematics 2016
CDS 2016
Mathematics
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A pole stands vertically inside a triangular park ABC. If the angle of elevation of the top of the pole…
CDS Elementary Mathematics 2016
CDS 2016
Mathematics
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Consider the following: 1. cos 75° / sin 15° = sin 12° / cos 78° = cos 18° / sin…
CDS Elementary Mathematics 2016
CDS 2016
Mathematics
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If the length of the shadow of a tower is equal to its height, then what is the Sun’s altitude…
CDS Elementary Mathematics 2016
CDS 2016
Mathematics
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If tan²x + 1 / tan²x = 2 and 0° < x < 90°, then what is the value of…
CDS Elementary Mathematics 2016
CDS 2016
English
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Most disputes about whether or not men are stronger than women are meaningless because the word ‘strong’ may mean many…
CDS English 2016
CDS 2016
English
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Most disputes about whether or not men are stronger than women are meaningless because the word ‘strong’ may mean many…
CDS English 2016
CDS 2016