Alpha numeric series

How many such pairs of letters are there in the word ‘KEYBOARD’ each of which has as many letters between them in the word (in both the forward and backward directions), as they have between them in the English alphabetical series ?

If it is possible to make only one meaningful word with the third, fifth, sixth and the seventh letters of the word ‘DICTIONARY’, which would be the third letter of that word from the right end ? If more than one such word can be formed, give X as the answer. If no such word can be formed, give Z as your answer.

6 @ Q B K F D 3 L J R S 2 G U 9 & T # % E W 7 M I A $ H * 4 N 5 How many such numbers are there in the given arrangement each of which is immediately preceded by a vowel and also immediately followed by a symbol ?

6 @ Q B K F D 3 L J R S 2 G U 9 & T # % E W 7 M I A $ H * 4 N 5 Which of the following is fifth to the left of the seventeenth from the left end of the given arrangement ?

6 @ Q B K F D 3 L J R S 2 G U 9 & T # % E W 7 M I A $ H * 4 N 5 If all the letters are dropped from the arrangement, which of the following will be the ninth from the right end ?

R 4 $ M E 7 T # A 2 J @ U K 9 P I % 1 8 Q W 3 d Z 5 H N 6 F © V G How many such numbers are there in the above arrangement, each of which is immediately followed by a consonant but not immediately preceded by an alphabet?

@ 2 K A 5 C 4 © Q T 8 £ V 7 % B 1 3 E G H 6 $ S M 9 O P Four of the following five are alike in a certain way based on their position. Which is the one that does not belong to that group?

4 M % $ 7 A S Q + Y * U R & 3 5 W P β 9 L © 2 J ? K Z Ω £ T V € 6 Four of the following five are alike in a certain way based on their positions in the given arrangement and so form a group. Which is the one that does not belong to the group ?

4 M % $ 7 A S Q + Y * U R & 3 5 W P β 9 L © 2 J ? K Z Ω £ T V € 6 What should come in place of the question nark (?) in the following series based on the liven arrangement ? 4M7 %$Q 7 A* SQ& ?

Study the following arrangement carefully and answer the question : U C Ω5 4 2 F % 9 V M & 7 L A K Q ¥ 3 8 B S 6 @ * E $ β Z N W © > # What should come in place of the question mark (?) in the following series based on the given arrangement ? C2U 495 % &F MAV

Study the following arrangement carefully and answer the question: D 4 R * 6 W A Ω 8 & L $ N 2 © J X Δ U £ S + 5 % Z 9 # 3 Q 7 β M What should come in place of the question mark (?) in the following series based on the given arrangement ? DRM *W7 A83 &$9 ?

M 2 @ & 7 B 5 Z C K 4 U $ Q © S 3 F * V N E 8 A 6 L Y % W 9 G β # What should come in place of the question mark (?) in the following series based on the given arrangement ? M&# BC β U ©G *E9 ?

M 2 @ & 7 B 5 Z C K 4 U $ Q © S 3 F * V N E 8 A 6 L Y % W 9 G β # Four of the following five are alike in a certain way based on their positions in the given arrangement and so form a group. Which is the one that does not belong to the group ?