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# What number would fill the gap in the set of numbers below: $$\begin{matrix} 3 & 5 & 7 \\ 6 & 10 & 14 \\ 12 & 20 & \_\_ \end{matrix}$$...

### Question

What number would fill the gap in the set of numbers below:
$$\begin{matrix} 3 & 5 & 7 \\ 6 & 10 & 14 \\ 12 & 20 & \_\_ \end{matrix}$$

### Options

A) 30

B) 42

C) 28

D) 24

The correct answer is C.