question_answer

19, 4, 14, 7, 10, 11, 7, ?

A) 16                   

B)          15

C) 17                   

D)          23

Correct Answer: A

Solution :

    There are two alternate series: Series I : 19, 14, 10, 7 (The sequence following is -5 -4, -3) Series II : 4, 7, 11, 16 (The sequence following is +3, +4, +5)