1. Of the following, which is greatest?
A. -0.75 Correct
B. 5/-2
C. -3
D. -2
Explanation
-3/4 (-0.75) is the largest when comparing -0.75, -2.5, -3, and -2.
2. Last year Joan's salary was $18,000. If she receives a $900 raise for this year, what percent of last year's salary is her raise?
A. 2%
B. 5% Correct
C. 20%
D. 50%
Explanation
$900 divided by $18,000 equals 0.05, or 5%, making it the correct percentage.
3. What is rounded to the nearest hundredth? 48/27
A. 1.7
B. 1.77
C. 1.78 Correct
D. 1.8
Explanation
Divide 48 by 27 to get 1.777... The hundredths digit is 7, and the next digit is also 7, so round up. Final rounded value is 1.78.
4. If 40 is 20 percent of a number, then the number is what percent of 40?
A. 500% Correct
B. 200%
C. 80%
D. 20%
Explanation
40 is 20% of 200; 200 is 500% of 40.
5. The number p is obtained by moving the decimal point 2 places to the left in the positive number n. The number s is obtained by moving the decimal point 1 place to the right in the number n. The number p + s how many times n?
A. 1.01
B. 10.001
C. 10.01 Correct
D. 10.1
Explanation
For n=100, p=1, s=1000; 1+1000=1001, which is 10.01 times 100.