Math Club Competition

The average of Jerrold's vocabulary quizzes is 88.75. What is Jerrold's quiz average expressed to the nearest whole number?

• 88

• 89

• 90

• 88.8

What is the value of 2⁵- 5 x 6

• 162

• 30

• 2

• -20

The first five terms of an arithmetic sequence are 26, 16, 6, -4, -14, what is the seventh term of this sequence?

• -24

• -34

• 36

• 46

A square pen that is surrounded by a fence is divided into two rectangular regions by adding a new fence that connects the midpoints of the two opposite sides. By what percent has the total length of fencing been increased?

• 25

• 15

• 50

• 12.5

What is the sum of the greatest common factor of 4 and 18 and the least common multiple of 4 and 18?

• 34

• 38

• 40

• 144

Claire's three sons, from oldest to youngest, are Evan, Joel and Alex. The difference between the ages of Evan and Joel is the same as the difference between the ages of Joel and Alex. If the sum of the three ages is 39, how old is Joel?

• 10

• 13

• 16

• 14

Danica started her trip at mile marker 66 and ended her trip at mile marker 194. She drove at a constant speed the entire trip. Which mile marker had she reached by 75% of her trip?

• 96

• 162

• 194

• 98

If 2¹²/2ⁿ = 2³, what is the value of n?

• 4

• 9

• 3

• 0

The least common multiple of 15 and 20 is k. What is the least common multiple of 12 and k?

• 60

• 5

• 300

• 3600

When Allen Iverson and Shaquille O'Neal faced off in the 2001 NBA finals, O'Neal weighed exactly twice as much as Iverson, and their weights totaled 495 pounds. How many pounds did Iverson weigh?

• 330

• 165

• 247.5

• 124