Study the number pattern. Which set does the number 80 belong to? Give your answer in number. (Eg Set 1 = 1)
Set 1: 21, 28, 35, 42, 49
Set 2: 20, 25, 30, 35, 40, 45, 50
Set 3: 18, 24, 30, 36, 42, 48
Pattern:
Set 1: Increase of 7 to get the next number.
21, 28, 35, 42, 49, 56, 63, 70, 77, 84
Set 2: Increase of 5 to get the next number.
20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85
Set 3: Increase of 6 to get the next number.
18, 24, 30, 36, 42, 48, 54, 60, 66, 72, 78, 84
Number 80 belongs to Set 2.
Answer(s): 2