A sequence is given as 3, 6, 9, 12, ?. What comes next?
Q1. A sequence is given as 3, 6, 9, 12, ?. What comes next?
Answer: 15
Explanation: The sequence is obtained by adding 3 to the previous term, hence 3 + 3 = 6, 6 + 3 = 9, 9 + 3 = 12, 12 + 3 = 15.