What will come at the place of question mark 4,7,12,19,28.?

What will come at the place of question mark 4,7,12,19,28.?

Explanation

First term : 4

Second term: 4+3 = 7

Third term : 7+5 = 12

Fourth term : 12+7 = 19.

Fifth term : 19+9 = 28.

Therefore,

Next Terms : 28+11 = 39