Simple number function recognition

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Wonderlic › Simple number function recognition

Questions 1 - 2

1

A sequence begins as follows:

$5, 8, 14, 26, \square , \bigcirc ,...$

What number will replace the circle?

Explanation

The sequence of numbers is formed by starting with 5, and, for each consecutive term, adding a quantity that begins with 3 and doubles each time. The sequence is:

$5+ 3 = \textbf{8}$

$8+ 6 = \textbf{14}$

$14+ 12 = \textbf{26}$

$26 + 24 = \textbf{50 }$ - the number that replaces the square;

$50 + 48 = \textbf{{\color{Red} 98} }$ - the number that replaces the circle.

2

In the following list, each value of is calculated from its value of the same way. Fill in the blank.

$\underline{ \begin{matrix}x & y \end{matrix}}$

$\begin{matrix} 1 & - 1 \ 2 & 4 \ 3 & -9 \ 4 & 16 \ 5 & \underline{; ; ; ; } \end{matrix}$

Explanation

is calculated from by taking the square of , then affixing a negative symbol in front if and only if is odd. Therefore, to get the that corresponds to , first, square 5:

$5 \times 5 = 25$

Next, affix a negative symbol in front to make it , the correct answer.

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