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Select the number that can replace the question mark (?) in the following series.
13, 15, 19, 25, 33, ?
Given series 13, 15, 19, 25, 33, ?
the above series follows the pattern
13 + 2 = 15
15 + 4 = 19
19 + 6 = 25
25 + 8 = 33
then next follow pattern ? = 33 + 8 = 43 Ans
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