Question

Which one number will complete the following number series?
3, 6, 15,______,123, 366

Answer 1

Answer:

42

Step-by-step explanation:

3*3-3=6

6*3-3=15

15*3-3=42

42*3-3=123

123*3-3=366

Answer 2

Answer:

42

Step-by-step explanation:

3

3*3 - 3 = 6

3*6 - 3 = 15

3*15 - 3 = 42

3*42 - 3 = 123

3*123 - 3 = 366