ASVAB Arithmetic Reasoning Practice Test 489641 Results

Your Results Global Average
Questions 5 5
Correct 0 2.73
Score 0% 55%

Review

1

If the ratio of home fans to visiting fans in a crowd is 4:1 and all 45,000 seats in a stadium are filled, how many home fans are in attendance?

50% Answer Correctly
27,200
28,667
28,333
36,000

Solution

A ratio of 4:1 means that there are 4 home fans for every one visiting fan. So, of every 5 fans, 4 are home fans and \( \frac{4}{5} \) of every fan in the stadium is a home fan:

45,000 fans x \( \frac{4}{5} \) = \( \frac{180000}{5} \) = 36,000 fans.


2

What is \( 4 \)\( \sqrt{32} \) - \( 3 \)\( \sqrt{2} \)

38% Answer Correctly
\( \sqrt{-12} \)
12\( \sqrt{16} \)
13\( \sqrt{2} \)
\( \sqrt{16} \)

Solution

To subtract these radicals together their radicands must be the same:

4\( \sqrt{32} \) - 3\( \sqrt{2} \)
4\( \sqrt{16 \times 2} \) - 3\( \sqrt{2} \)
4\( \sqrt{4^2 \times 2} \) - 3\( \sqrt{2} \)
(4)(4)\( \sqrt{2} \) - 3\( \sqrt{2} \)
16\( \sqrt{2} \) - 3\( \sqrt{2} \)

Now that the radicands are identical, you can subtract them:

16\( \sqrt{2} \) - 3\( \sqrt{2} \)
(16 - 3)\( \sqrt{2} \)
13\( \sqrt{2} \)


3

What is 8\( \sqrt{8} \) x 6\( \sqrt{3} \)?

41% Answer Correctly
96\( \sqrt{6} \)
48\( \sqrt{3} \)
14\( \sqrt{8} \)
14\( \sqrt{3} \)

Solution

To multiply terms with radicals, multiply the coefficients and radicands separately:

8\( \sqrt{8} \) x 6\( \sqrt{3} \)
(8 x 6)\( \sqrt{8 \times 3} \)
48\( \sqrt{24} \)

Now we need to simplify the radical:

48\( \sqrt{24} \)
48\( \sqrt{6 \times 4} \)
48\( \sqrt{6 \times 2^2} \)
(48)(2)\( \sqrt{6} \)
96\( \sqrt{6} \)


4

What is \( \frac{-8y^8}{9y^3} \)?

60% Answer Correctly
-\(\frac{8}{9}\)y5
-\(\frac{8}{9}\)y\(\frac{3}{8}\)
-\(\frac{8}{9}\)y24
-1\(\frac{1}{8}\)y11

Solution

To divide terms with exponents, the base of both exponents must be the same. In this case they are so divide the coefficients and subtract the exponents:

\( \frac{-8y^8}{9y^3} \)
\( \frac{-8}{9} \) y(8 - 3)
-\(\frac{8}{9}\)y5


5

How many hours does it take a car to travel 300 miles at an average speed of 60 miles per hour?

85% Answer Correctly
5 hours
1 hour
2 hours
9 hours

Solution

Average speed in miles per hour is the number of miles traveled divided by the number of hours:

speed = \( \frac{\text{distance}}{\text{time}} \)

Solving for time:

time = \( \frac{\text{distance}}{\text{speed}} \)
time = \( \frac{300mi}{60mph} \)
5 hours