GAT Mathematics and Numeracy 2

Question 1

In a class of 40 students, 16 are boys. What percentage of the class are girls?

Accepted Answer

60%

Answer

40%

Answer

24%

Answer

55%

Question 2

What is the mean of the values 4, 8, 12, 6, 10?

Accepted Answer

8

Answer

6

Answer

10

Answer

12

Question 3

A bag contains 4 red, 6 blue, and 2 green balls. What is the probability of randomly selecting a green ball?

Accepted Answer

1/6

Answer

1/4

Answer

1/3

Answer

2/3

Question 4

What is the range of the data set: 12, 5, 19, 8, 23?

Accepted Answer

18

Answer

15

Answer

11

Answer

23

Question 5

Which measure of central tendency is most affected by extreme outlier values?

Accepted Answer

Mean

Answer

Median

Answer

Mode

Answer

Range

Question 6

A store sells 25 items at $8 each and 15 items at $12 each. What is the total revenue?

Accepted Answer

$380

Answer

$260

Answer

$340

Answer

$480

Question 7

If sales increased from $50,000 to $65,000, what is the percentage increase?

Accepted Answer

30%

Answer

15%

Answer

25%

Answer

20%