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 sequence is formed by adding 4, 6, 8, 10, ... to the previous term. So, the next difference should be 12, hence 30 + 12 = 42.