Average height of 64 children is 114 cm. If ____ children of average Height ____ cm are included then average height of group is increased by 2 cm.
Which of the following values fill the blanks in same order?
I. 10, 128
II. 4, 148
III. 8, 120
IV. 16, 124
1
I and III only
2
II and III only
3
I and II only
4
II and IV only
5
None of these