Numerical Reasoning Aptitude 4

Question 1

A company's revenue grew from $450,000 to $585,000. What is the percentage increase?

Accepted Answer

30%

Answer

Increase = 135,000; 135,000 / 450,000 x 100 = 30%.

Question 2

A sequence follows the pattern 3, 7, 15, 31, 63. What is the next term?

Accepted Answer

127

Answer

Each term equals the previous term multiplied by 2 plus 1; 63 x 2 + 1 = 127.

Question 3

The mean of five numbers is 18. Four of the numbers are 12, 20, 24, and 16. What is the fifth number?

Accepted Answer

18

Answer

Total = 18 x 5 = 90; known sum = 72; fifth number = 90 minus 72 = 18.

Question 4

A cylindrical tank has a radius of 3 feet and height of 10 feet. Approximately how many cubic feet can it hold? (Use pi = 3.14)

Accepted Answer

282.6

Answer

Volume = pi x r squared x h = 3.14 x 9 x 10 = 282.6 cubic feet.

Question 5

Two numbers are in the ratio 7:3. If their sum is 150, what is the larger number?

Accepted Answer

105

Answer

Larger = (7/10) x 150 = 105.

Numerical Reasoning Practice Test