Practice Exercise 1: Study the information given below and answer the questions based on it.

Y 4 8 A @ D F 3 # R N 1 M © W P δ J 2 E 5 Z *6 Q B 7 $ H U 9 I K

1. Which of the following is the seventh to the right of the nineteenth from the right end of the above arrangement?

A. 1 

B. D 

C. Z 

D. $ 

E. None of these

2. Four of the following five are alike in a certain way based on their positions in the above arrangement and so form a group. Which is the one that does not belong to that group?

A. D#A 

B. JWE 

C. 562 

D. $9B 

E. RM3

3. How many such consonants are there in the above arrangement each of which is immediately preceded by a symbol and immediately followed by a letter?

A. None 

B. One 

C. Two 

D. Three 

E. More than three

4. How many such numbers are there in the above arrangement each of which is immediately preceded by a letter and immediately followed by a symbol?

A. None 

B. One 

C. Two 

D. Three 

E. More than three

5. What should come next in the following series based on the above arrangement?

8@D , #N1 , WδJ , 5 * 6 , (?)

A. 7HU 

B. 7$U 

C. 7#9 

D. BS# 

E. None of these

1. 19th from right is ‘W’ and 7th to the right of ‘W’ is ‘Z’. Therefore, C is the correct option.

2. Except JWE, all other follow the same pattern: the second character is 3 steps ahead of the first character and the third character is 2 steps backward of the first character. Therefore, B is the correct option.

3. There are four such instances: @ D F, # R N, © W P, $ H U. Therefore, E is the correct option.

4. There are two such instances: F 3 #, B7$. Therefore, C is the correct option.

5. Observe the pattern:

Y 4 8 A @ D F 3 # R N 1 M © W P δ J 2 E 5 Z *6 Q B 7 $ H U 9 I K 

Following this pattern, the next term is 7HU. Therefore, A is the correct option.