Answer: C Explanation: There is a gap of one letter in every letter of the group. Moreover, every second group of the series starts after a
gap of one letter, i.e., after prt, we see vxz.
Answer: C Explanation: The first letter of every group is the
last letter of the preceding group with
a gap of two letters in every member of
the group, i.e., after ADG we see GJM.
The third, sixth and ninth letters are in the reverse order of the alphabet i.e., Y, X, W. Ist fourth and seventh letters are going up with a gap of one letters and II, V and 8th also have a gap of one letter.
Answer: D Explanation: Various groups are in the series of abc, cab, bca, abc, cab, and so on. Moreover, the first letter in the groups is the last letter of the preceding ones.
Every second letter in the series comes after a gap of two letters and numbers are being squared with consecutive increasing order. Such as (1)2, (2)2, (3)2, (4)2 etc.