Math Busters 1

Evaluate: 345-678

• -333

• 333

• -267

• -367

Evaluate: 44 x 45

• 1930

• 1980

• 2030

• 2080

Given the following equations solve for x: 3x - a = 6; 3a - x = 18 + a -x.

• 2

• 3

• 4

• 5

What is the fifth term of a fibonacci-like sequence that starts -3, 1, ...

• -1

• -2

• -3

• -4

Axel 20 miles travels at 60 mph and 10 miles at 25 mph, how long did it take him in minutes?

• 25 minutes

• 30 minutes

• 44 minutes

• 50 minutes

What is 25³?

• 625

• 12,625

• 15,625

• 390,625

Let have a digital sum of 7. If A*B = 215, what is B?

• 1

• 5

• 43

• 215

If it takes Jacen 5 minutes to answer a challenging math problem by himself and it takes Maeson 7 minutes to answer the same question by himself, how long would it take them if they solved the question together? Answer as a common, reduced fraction.

• $\frac{35}{12}$ minutes

• $\frac{12}{35}$ minutes

• $\frac{7}{5}$ minutes

• $\frac{5}{7}$ minutes

Maeson invents a time machine and travels to the Math Is Cool Masters competition in 2025. He finds the mental math scores for the top ten individuals are: 8, 8, 5, 6, 7, 8, 5, 3, 4, and 6. What is the product of the mean, median, mode, and range?

• 1040

• 1240

• 1440

• 1840

What is the units digit of 7²⁴⁷?

• 7

• 9

• 3

• 1