Suppose a sequence begins with 1, 3 and continues by adding the previous two numbers to get the next number in the sequence. In this sequence, 7 and 11 are consecutive numbers. What is the next number in this sequence?
A) 18
B) 17
C) 15
D) 14

Question

Quizplus · Accepted Answer

Starting from 1 and 3, the sequence goes on as follows: 1, 3, 4, 7, 11, 18, 29, 47, 76, ...
To get the next number in the sequence, we need to add the previous two numbers. 
Therefore, the next number is 11+18 = 29. 
Hence, the correct answer is A) 18.

Suppose a Sequence Begins with 1, 3 and Continues by Adding