IMAT Mathematics and Statistics 3

Question 1

How many ways can 5 different books be arranged on a shelf?

Accepted Answer

120

Answer

25

Answer

60

Answer

100

Question 2

The mean of 5 numbers is 12. If four of them are 10, 14, 8, and 16, what is the fifth number?

Accepted Answer

12

Answer

10

Answer

14

Answer

11

Question 3

What is cos(60°)?

Accepted Answer

1/2

Answer

√3/2

Answer

√2/2

Answer

1

Question 4

What is ∫2x dx?

Accepted Answer

x² + C

Answer

2x² + C

Answer

x + C

Answer

2 + C

Question 5

Solve for x: |2x − 3| = 7

Accepted Answer

x = 5 or x = −2

Answer

x = 2 or x = −5

Answer

x = 5 or x = 2

Answer

x = −5 or x = −2

Question 6

Which expression is equivalent to tan(x)?

Accepted Answer

sin(x)/cos(x)

Answer

cos(x)/sin(x)

Answer

1/sin(x)

Answer

sin²(x) + cos²(x)

Question 7

What is the geometric mean of 4 and 16?

Accepted Answer

8

Answer

10

Answer

6

Answer

12