PowerSchool Aptitude Test PowerSchool Aptitude Test: Numerical Reasoning 1

Question 1

A school has 450 students and 30% are enrolled in Grade 6. How many students are in Grade 6?

Accepted Answer

135

Answer

30% of 450 = 0.30 × 450 = 135 students.

Question 2

What is the next number in the sequence: 2, 6, 12, 20, 30, ___?

Accepted Answer

42

Answer

The differences between terms are 4, 6, 8, 10, 12, so 30 + 12 = 42.

Question 3

A teacher grades 8 papers per hour. How many papers can she grade in 3.5 hours?

Accepted Answer

28

Answer

8 papers/hour × 3.5 hours = 28 papers.

Question 4

A class of 24 students scored an average of 75 on a test. What was the total combined score?

Accepted Answer

1800

Answer

Total score = average × number of students = 75 × 24 = 1800.

Question 5

In a class of 28 students, the ratio of boys to girls is 3:4. How many boys are in the class?

Accepted Answer

12

Answer

Boys = 3/(3+4) × 28 = 3/7 × 28 = 12.

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