In the given series, how many pairs of alternate numbers have a difference of 2?
6 4 1 2 2 8 7 4 2 1 5 3 8 6 2 1 7 1 4 1 3 2 8 6
(a) One
(b) Two
(c) Three
(d) Four
only 1 is there
In the given series, how many pairs of alternate numbers have a difference of 2?
6 4 1 2 2 8 7 4 2 1 5 3 8 6 2 1 7 1 4 1 3 2 8 6
(a) One
(b) Two
(c) Three
(d) Four