Numerical Reasoning Random 5

Question 1

A sequence follows the pattern: 3, 7, 15, 31, _. What is the next number?

Accepted Answer

63

Answer

Each term is doubled and then 1 is added: 31×2+1 = 63.

Question 2

If x + y = 14 and x − y = 4, what is the value of x × y?

Accepted Answer

45

Answer

Solving: x = 9, y = 5; product = 9 × 5 = 45.

Question 3

A 12% interest rate compounded annually yields how much on $5,000 after 2 years?

Accepted Answer

$6,272

Answer

$5,000 × 1.12² = $5,000 × 1.2544 = $6,272.

Question 4

A bag contains 4 red, 3 blue, and 5 green balls. What is the probability of randomly picking a blue ball?

Accepted Answer

1/4

Answer

Total = 12; P(blue) = 3/12 = 1/4.

Question 5

In a number series 2, 6, 18, 54, ___, what is the missing term?

Accepted Answer

162

Answer

Each term is multiplied by 3; 54 × 3 = 162.

Numerical Reasoning Practice Test