Find the next term in the following series.
ZA5, Y4B, XC6, W3D, _____

Which one set of letter when sequentially placed at the gaps in the given letter series shall complete it?
ab __ deabcdfb __ d __ gbcfg __ cf __ h __

How many such pairs of letters are there in the word ‘ANIMATION’ each of which has as many letters between them in the word as in the English alphabet?

Direction: Study the following arrangement carefully and answer the questions given below.
C 3 # R A T 1 E J $ K @ F U 5 4 V I 6 © D 8 * H N 7 δ 2 W

Which of the following is seventh to the left of the twentieth from the left end of the above arrangement? 

What comes in place of question mark (?) in the series given below?
W-144, ?, S-100, Q-81, O-64

Select the term that will come next in the following series?
CAY, FDB, IGE, ?

Find the missing term of sequence.
AB, BA, ABC, CBA, ABCD, ____

In the word INSTRUCT, how many alphabets are there between which there are as many letters as there are between them in the English alphabet?