The correct option is
A 10The given series: 1,2,4,4,7,8,?,16 consists of two series.
1st series : 1,4,7,? 2nd series : 2,4,8,16
In the first series, each of the next term is 3 more than its previous term.
In the second series, each of the consecutive term is double of its previous term.
Clearly, 7+3=10
Hence, option (A) is the correct answer.