[ CSE 44] CIVIL SERVICE EXAMINATION REVIEWER - Numerical Ability

Civil Service Examination Reviewer

Instructions:

Please answer each question to the best of your ability. Each question is multiple choice, and only one answer per question is correct. Select the most appropriate answer from the options provided.

When you have completed all questions, click the "Submit" button at the bottom of the page to see your score. Good luck!

1. What is the value of \( 3^4 \)?

A) 81
B) 27
C) 64
D) 243

2. What is the slope of the line \( y = 5x - 3 \)?

A) -3
B) 5
C) 3
D) 0

3. What is the square root of 144?

A) 10
B) 11
C) 12
D) 13

4. What is the solution to the equation \( 2x + 4 = 10 \)?

A) 3
B) 2
C) 4
D) 6

5. Which of the following is a rational number?

A) √2
B) 4/7
C) π
D) e

6. If \( f(x) = x^2 \), what is \( f(3) \)?

A) 6
B) 9x
C) 9
D) 6x

7. What is the sum of the first five positive integers?

A) 10
B) 20
C) 15
D) 12

8. Which of the following is equivalent to 25%?

A) 0.25
B) 2.5
C) 25
D) 0.025

9. Solve: \( 7x = 35 \)

A) 4
B) 5
C) 6
D) 7

10. What is the value of \( | -8 | \)?

A) -8
B) 8
C) 0
D) 1

11. What is the next number in the sequence: 2, 4, 8, 16, ...?

A) 20
B) 32
C) 24
D) 30

12. What is the median of the numbers: 3, 7, 9, 15, 21?

A) 7
B) 9
C) 15
D) 21

13. Which of the following represents a linear equation?

A) \( y = x^2 + 3 \)
B) \( y = 2x + 1 \)
C) \( y = \sqrt{x} \)
D) \( y = \frac{1}{x} \)

14. If \( x = -2 \), what is the value of \( x^2 \)?

A) -4
B) 4
C) -2
D) 0

15. What is \( 15\% \) of 200?

A) 45
B) 30
C) 25
D) 35

16. What is the area of a triangle with base 10 and height 5?

A) 25
B) 100
C) 25
D) 50

17. Which property is illustrated by \( a(b + c) = ab + ac \)?

A) Commutative
B) Distributive
C) Associative
D) Identity

18. What is the value of \( \frac{3}{4} + \frac{1}{4} \)?

A) 3/8
B) 1
C) 1
D) 2/4

19. What is the reciprocal of \( \frac{2}{5} \)?

A) 5/4
B) 2/5
C) 5/2
D) 10

20. What is the perimeter of a square with side length 6?

A) 36
B) 12
C) 20
D) 24

21. Which of the following is an irrational number?

A) 4/5
B) 2
C) √3
D) 6

22. What is the mean of 2, 4, 6, 8, 10?

A) 4
B) 6
C) 5
D) 8

23. Solve: \( 12 - (2 + 3)^2 \)

A) 1
B) 0
C) -13
D) 7

24. Simplify: \( \frac{16}{64} \)

A) 1/4
B) 1/2
C) 1/8
D) 1/16

25. If \( y = 3x \), what is y when x = 7?

A) 10
B) 17
C) 21
D) 24

26. Which of the following is a multiple of 9?

A) 35
B) 44
C) 45
D) 52

27. The product of a number and 8 is 64. What is the number?

A) 10
B) 8
C) 16
D) 6

28. If a triangle has angles 60°, 60°, and x°, what is x?

A) 90
B) 45
C) 80
D) 60

29. What is the cube of 2?

A) 4
B) 2
C) 8
D) 6

30. Which is equivalent to \( 2^5 \)?

A) 16
B) 32
C) 64
D) 48

Result

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