Part 16 of our Numerical Ability reviewer has 22 practice questions in the style of the Civil Service Exam. Answer them in order, read the explanation after each one, and check your score against the 80% passing mark at the end. Questions and choices are reshuffled every time you retake the part.
Start Part 16Sample questions from Part 16
Here are a few questions from this part. Take the full test to answer all 22 and get your score.
Sample question 1
25 is multiplied by 10 to the fifth power is?
- 2,500,000
- 250,000
- 25,000
- .000025
Sample question 2
Find the value of X if y=8 in the equation: 2× + 4 = 50
- 9
- 8
- 10
- 4
2 (9) + 4 (8) = 50
Sample question 3
What is the decimal Form of 3/4 %?
- .0075
- .007575
- .75
- .00075
Sample question 4
Mr. Gil Bates owns 3/8 of Macrohard. After selling 1/3 of his share, how much of Macrohard does Mr. Gil Bates still own?
- 5/16
- 2/9
- 5/8
- 1/4
keeping 2/3 of his shares.
His remaining total is:
(3/8)-(1/3)*(3/8)
Factor out a (3/8)
= (1-1/3)*(3/8)
Simplify the subtraction
= (2/3)*(3/8)
Multiplication fractions: cancel the 3 in the
numerator of the 3/8 with the 3 in
denominator of the 2/3
= (2/3)*(3/8) =2/8=1/4
Sample question 5
Cathy scored 85, 87, 90, 95, and 100 in her Math exams. What will be her average grade in Math from this period?
- 91.40
- 91.50
- 92
- 93.50
S=85+87+90+95+100=457
N=5
A=457/5 =91.4