HAST Quantitative Reasoning 3

Question 1

A sequence: 3, 6, 12, 24, 48. What is the next number?

Accepted Answer

96

Answer

72

Answer

64

Answer

100

Question 2

If x + y = 20 and x − y = 4, what is the value of x?

Accepted Answer

12

Answer

8

Answer

16

Answer

10

Question 3

Three workers can complete a job in 12 days. How many days would 4 workers take to complete the same job?

Accepted Answer

9

Answer

8

Answer

10

Answer

6

Question 4

A bag contains 3 red, 4 blue, and 5 green marbles. What is the probability of picking a blue marble?

Accepted Answer

1/3

Answer

1/4

Answer

5/12

Answer

4/5

Question 5

A rectangle has length 15 cm and width 8 cm. What is the length of its diagonal?

Accepted Answer

17 cm

Answer

16 cm

Answer

19 cm

Answer

20 cm

Question 6

A data set is: 4, 7, 7, 9, 10, 10, 10, 12. What is the mode?

Accepted Answer

10

Answer

9

Answer

7

Answer

8.625