In the following question, select the number which can be placed at the sign of question mark (?) from the given alternatives.
In the second column, first, three numbers will be added to form the fourth number. The same logic is in the third column. So it should be applicable to the first column also.
3+15+2 = 20
7+12+3 = 22
5+6+9 = 20
Here 20 will come in place of the question mark.
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