What is the next number in the sequence: 2, 6, 12, 20, 30?
Q1. What is the next number in the sequence: 2, 6, 12, 20, 30?
Answer: 42
Explanation: The pattern is obtained by adding 4, 6, 8, 10, ... to the previous term. So, the next difference is 12, making the next number 42.