Find the missing number in the following grid?

Question

6,    2,   17,
1,    4,   11,
3,    7,    ?

Answer 1

The value of ? = 30
Logic == Multiple first 2 numbers and add oddnumber in the increasing order of the equations
6 , 2, 17 === 6*2 + 5 == 17
1, 4, 11=== 1*4 + 7 == 11
3, 7, ? === 3*7 + 9 == 30

The number tat is added to the multiplied value is increasing in hte order of ordd numbers,