The series is given as 2, 6, 12, 20, 30. Determine the next number.
Q1. The series is given as 2, 6, 12, 20, 30. Determine the next number.
Answer: 42
Explanation: The differences between successive terms are 4, 6, 8, 10, and the next difference should be 12. 30 + 12 = 42.