What is the next number in the sequence: 1, 2, 4, 7, 11?
Q1. What is the next number in the sequence: 1, 2, 4, 7, 11?
Answer: 16
Explanation: The sequence is formed by adding 1, 2, 3, 4, ... to the previous term, so the next difference should be 5, making the next number 16.