\(5.12 \times10^{-5}\) can be expressed as
512,000
0.0000512
0.0512
You travel 800 miles during a 40-hours workweek. You spend 2/5 of your time traveling, how many hours do you not travel?
24
16
20
25
What is the average of \(\frac12\), ¼ and \(\frac16\)?
\(\frac{11}{36}\)
\(\frac{11}{12}\)
\(\frac{5}{12}\)
\(\frac{7}{36}\)
How many monthly payments must be made to repay an interest-free loan of $1,540 if the monthly payment is $55?
35
15
28
On Monday, the water was shut off 3 times for \({1 \over 4} \) hours, \({2 \over 3} \) hours and 2\({3 \over 4} \) hours respectively. How long in total number of hours was the water turned off?
2\({1 \over 3} \)
2\({2 \over 3} \)
3\({2 \over 3} \)
2
If 6 is 25% of a number, what is 50% of the same number?
12
30
9.6
What is the reciprocal of 0.20, 5\({2 \over 3}\)?
5 and 3/17
2 and 3/17
5 and 17/3
5 and 3/10
What is the next number of the series: 4, 9, 16, 25, ___?
41
36
49
How many floorboards 2-1/4 inches wide are needed to cover a floor 15 feet wide?
70 inches
40 inches
80 inches
20 inches
An auditorium that holds 350 people currently has 150 seated in it. What part of the auditorium is full?
\({1 \over 4} \)
\({1 \over 3} \)
\({3 \over 7} \)
3