Study the number pattern. Which set does the number 91 belong to? Give your answer in number. (Eg Set 1 = 1)
Set 1: 15, 20, 25, 30, 35, 40, 45, 50
Set 2: 21, 28, 35, 42, 49
Set 3: 16, 20, 24, 28, 32, 36, 40, 44, 48
Pattern:
Set 1: Increase of 5 to get the next number.
15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95
Set 2: Increase of 7 to get the next number.
21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91
Set 3: Increase of 4 to get the next number.
16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92, 96
Number 91 belongs to Set 2.
Answer(s): 2