(a)
If we move 4 numbers to the right of -2, we will reach at 2
(b)
If we move 5 numbers to the left of 1, we will reach at -4
(c)
-13 lies to the left of -8 on the number line. Hence, we should move to the left.
(d)
-1 lies to the right of -6 on the number line. So, we should move to the right.