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Math 008

1: 5 students took a test, and their scores ranged from a high of 100 to a low of 62. The median score was 80 and the average (arithmetic mean) of the scores was 81. Which of the following could be the other two scores?

70 and 93
81 and 82
63 and 100
Two of the above
All of the above

2: How many even integers are there between 1 and 100, not including 1 and 100?

99
98
50
49
48

3: If the volume of a cube is 125, what is the area of one face of the cube?

5
25
31.25
62.5
None of the above

4: Which combination of the two numbers add up to zero?

1/25 and -1/5
-1/23 and 23
-3/4 and (-18)/(-24)
None of teh above
All of the above

5: If a rectangular cake has a volume of 15,600 cubic centimeters, a length of 65 centimeters, and a width of 20 centimeters, what is the thickness of the cake?

12 mm
10 mm
1300 mm
1200 mm
10 cm

6: If x is an integer and 5 < x < 15, how many different triangles are there with sides 5, 15, and x?

Two
Five
One
Three
Four

7: A rectangular swimming pool is 80 feet long, 30 feet wide, and 6 feet deep. If water costs 45 cents per cubic foot, how much will it cost to fill up the swimming pool?

$3200
$648
$320
$2160
$6480

8: There are five blue marbles and five yellow marbles of the same size and weight in a jar. If you choose two marbles without looking, what is the probability that you will get two of the same colored marbles?

4/5
2/9
2/5
4/9
1/5

9: If x > y and x(y-x) = 0, then which of the following is true?

x = 0
y < 0
x - y > 0
Two of the above
All of the above

10: If X and W are NOT prime numbers, and if X and W are NOT negative integers, and if X and W are NOT zero, which of the following CANNOT be the sum of X and W?

5
6
12
13
None of the above

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