What should come in place of the question mark (?) in the following number series ?
The series follows the pattern
7
7 + 3 $$\times$$ 1 = 10
10 + 3 $$\times$$ 2 = 16
16 + 3 $$\times$$ 3 = 25
25 + 3 $$\times$$ 4 =37
37 + 3 $$\times$$ 5 = 52
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