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Exam Details

2024 Elementary Mathematics

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Questions 100
Duration 180 mins
Package Combined Defence Services Examination (I) - Previous Year Papers

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Difficulty distribution

Easy 34 34%
Medium 33 33%
Hard 33 33%

Question type distribution

Multiple Choices 100 100%

Syllabus

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Sample questions from this paper

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1
2024 · Unclassified
2024 Elementary Mathematics
If a : b : c : d = \(√{4} : √{3} : √{2} : √{1}\), then what is the value of \(-a² + b² + c² + d²/a² - b² + c² - d²\) ?
A
1
B
2
C
3
D
6
2
2024 · Unclassified
2024 Elementary Mathematics
The speeds of four cars are 2u, 3u, 4u and xu and the time taken by them to cover the same distance is xt, 4t, 3t and 2t respectively, where x, u, t are real numbers. What is the value of x ?
A
8
B
6
C
5
D
2
3
2024 · Unclassified
2024 Elementary Mathematics
If m : n = 1 : 2 and p : q = 3 : 4, then what is (2m + 4p) : (n + 3q) equal to ?
A
1 : 1
B
1 : 3
C
2 : 1
D
2 : 3
4
2024 · Unclassified
2024 Elementary Mathematics
If the rate of interest is 5%, then what would be the difference between compound interest and simple interest received on ₹ 10,000 (each) after 3 years from now ?
A
₹ 175·25
B
₹ 152·25
C
₹ 76·25
D
₹ 24·25
5
2024 · Unclassified
2024 Elementary Mathematics
A person bought a book at 3/4th of its listed price and sold it at 50% more than its listed price. What is the percentage of gain in the transaction ?
A
20%
B
40%
C
75%
D
100%
6
2024 · Unclassified
2024 Elementary Mathematics
If the difference between the interior and exterior angles of a regular polygon is 144°, then what is the number of sides of the polygon ?
A
12
B
16
C
18
D
20