MDTP Arithmetic and Number Sense

Question 1

Which number is both a perfect square and a perfect cube?

Accepted Answer

64

Answer

64 = 8² = 4³, making it both a perfect square and a perfect cube.

Question 2

What is 15% of 240?

Accepted Answer

36

Answer

15% of 240 = 0.15 × 240 = 36.

Question 3

Which fraction is equivalent to 0.625?

Accepted Answer

5/8

Answer

0.625 = 625/1000 = 5/8 after simplifying by dividing numerator and denominator by 125.

Question 4

What is the least common multiple (LCM) of 12 and 18?

Accepted Answer

36

Answer

The LCM of 12 and 18 is 36 since 36 is the smallest number divisible by both.

Question 5

Evaluate: (-3)³

Accepted Answer

-27

Answer

(-3)³ = (-3)(-3)(-3) = 9(-3) = -27.

MDTP - Mathematics Diagnostic Testing Project Practice Test