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Math 010

1: The two sides of a right triangle are 12 and 15. Which one of the following can be the length of the third side?

20
19.25
9.15
9
None of the above

2: Grace scored 100, 75, 68, 80, 88, 80, 64, 95, 75 in a math class. Her median score was:

80.5
80
81
75
None of the above

3: The prime factors of 180 are:

2, 5 and 6
2, 3 and 5
2, 3, 5 and 6
6, 5, 3 and 2
Two of the above

4: The area of a square is 128. What is the length of its diagonal?

11.31
15.99
16
22.63
32

5: Morris buys silver marbles and gold marbles at a county fair. If he buys A silver marbles for X cents each, and buys B gold marbles for a total of Y dollars, what is the average price of a marble in cents?

(AX+Y)/2
(X+100Y)/2
(AX + BY)/(A+B)
(AX+100Y)/(A+B)
(AX + 100BY)/(A+B)

6: The apple crop this year is 20% less than last year's crop. If this year's crop is X tons, what was the last year's crop in terms of X?

0.2X
0.8X
1.2X
0.75X
1.25X

7: When (X+4) / (X+12) = 1/2, what is the value of X?

4
6
5
8
7

8: A computer program uses a three-digit code to represent apples and oranges. The same program uses a two-digit code to represent carrots. How many digits of code does the computer program require to represent "apple, orange, apple, apple, carrot, orange, carrot, apple."

22
19
20
18
24

9: If a number N is divisible by both 4 and 6, then which of the following can be true?

N is a negative number
N is a multiple of 12
N is divisible by 3
All of the above
None of the above

10: 25 is what percent of 5?

20
25
125
250
500

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