Given arrangement of numbers-
How many pairs of consecutive numbers in 7, 4, 2, 6, 5, 8, 3, 9, 4, 1, 6, 2, 3, 7, 4, 7, 8, 9, 6, 3 have a difference of 3 each?
1
7
2
6
3
5
4
8
Given arrangement of numbers-
How many pairs of consecutive numbers in 7, 4, 2, 6, 5, 8, 3, 9, 4, 1, 6, 2, 3, 7, 4, 7, 8, 9, 6, 3 have a difference of 3 each?