Suppose a sequence begins with 1, 7 and continues by adding the previous two numbers to get the next number in the sequence. What number comes after 38 in this sequence?
A) 60
B) 61
C) 62
D) 63

Question

Quizplus · Accepted Answer

The sequence is:

1, 7, 8, 15, 23, 38, ??

To get the next number, we add 23 and 38, since those are the two previous numbers in the sequence:

1, 7, 8, 15, 23, 38, 61

Therefore, the answer is choice B, 61.

Suppose a Sequence Begins with 1, 7 and Continues by Adding