A series of numbers is 2, 6, 12, 20. What is the next number in the sequence?
Q1. A series of numbers is 2, 6, 12, 20. What is the next number in the sequence?
Answer: 30
Explanation: The pattern increases by adding 4, 6, 8, and so on, so the next difference should be 10, making the next number 20 + 10 = 30