1. What is the value of x in the equation 3x + 7 = 16?

A. 3

B. 5

C. 6

D. 9

Answer: B. 5

Rationale: To solve for x, we need to isolate x by subtracting 7 from both

sides and then dividing by 3. Therefore, 3x + 7 - 7 = 16 - 7, resulting in 3x

= 9. Dividing both sides by 3 gives us x = 3.

2. What is the next number in the sequence: 2, 5, 10, 17, 26, ...?

A. 35

B. 37

C. 40

D. 41

Answer: A. 35

Rationale: The sequence is increasing by consecutive odd numbers (3, 5,

7, 9, ...). Therefore, the next number in the sequence is 26 + 9 = 35.

3. If a car travels 240 miles in 4 hours, what is its average speed in miles

per hour?

A. 45

B. 50

C. 55

D. 60

Answer: B. 60

Rationale: To find the average speed, we divide the total distance by the

total time. Therefore, 240 miles / 4 hours = 60 miles per hour.