i) 7 and 12
Integers lying between 7 and 12 are 8, 9, 10, ll.
ii) -5 and -1
Integers lying between -5 and -1 are -2, -3 and -4.
iii) -3 and 3
Integers lying between -3 and 3 are -2, -1, 0, 1, 2.
iv) -6 and 0
Integers lying between -6 and 0 are -5, -4, -3, -2, -1.