Alphanumeric Series – Railway Reasoning (Part- 3)

Total Questions: 50

21. (Left) Z # U * Y S K W P Q @ G & A % J B L % & H D # V (Right) [Group - D 18/09/2022 (Afternoon)]

How many such letters are there in the series which are immediately preceded and immediately followed by a symbol?

Correct Answer: (d) Two
Solution:

(Left) Z # U * Y S K W P Q @ G & A % J B L % & H D # V (Right)
There are only two such pairs which are immediately preceded and followed by a symbol.

22. (Left) G H T % K & L M # S T * Q @ N O (Right) [Group - D 19/09/2022 (Morning)]

How many symbols are there between the seventh element from the right end and the fifth element from the left end of the given series?

Correct Answer: (d) 2
Solution:

(Left) G H T % K & L M # S T * Q @ N O (Right)
Seventh element from the right end = S
Fifth element from the left = K
There are only 2 symbols between K and S.

23. AID, BAD, CAT, DOG, EAT [Group - D 19/09/2022 (Afternoon)]

If in each of the words, each letter is changed to the next letter in the English alphabetical order, how many words (not necessarily meaningful) thus formed will have no vowel?

Correct Answer: (d) None
Solution:

AID, BAD, CAT, DOG, EAT As per given instruction after changing each letter to the next letter in the english alphabetical order
BJE , CBE , DBU , EPH , FBU
There are none of the words which have no vowel.

24. (Left) D#Y*C$OATU@I&E%NFP %&L#Z (Right) [Group - D 19/09/2022 (Evening)]

How many such symbols are there which are immediately preceded and immediately followed by a vowel?

Correct Answer: (a) Two
Solution:

(Left)D#Y*C$OAT U @ I & E %NFP %&L#Z (Right)
the above bold characters are those symbols which are immediately preceded and followed by a vowel = 2

25. 7 2 9 6 3 7 3 9 7 7 3 9 7 3 2 2 1 3 3 9 3 7 3 9 3 9 [Group - D 20/09/2022 (Morning)]

How many 3s are there that are immediately preceded by 7 and immediately followed by 9?

Correct Answer: (d) Three
Solution:

7 2 9 6 3 7 3 9 7 7 3 9 7 3 2 2 1 3 3 9 3 7 3 9 3 9
There are 3 three’s which are preceded by 7 and followed by a number.

26. 18 @ 61 # 22 63 76 $ 42 48 % 29 94 Ø 56 27 75 [Group - D 20/09/2022 (Evening)]

If all the symbols are dropped from the series, what will be the product of the numbers which are third from the right end and fourth from the left end?

Correct Answer: (a) 3528
Solution:

18 @ 61 # 22 63 76 $ 42 48 % 29 94 Ø 56 27 75
As per the instruction, after dropping all symbols
18 61 22 63 76 42 48 29 94 56 27 75
Third from the right = 56 and fourth from the left = 63
Required product = 56 × 63 = 3528

27. (Left) A 9 % B @ 6 & L # K 9 @ 7 # 6 K M * 7 & B (Right) [Group - D 22/09/2022 (Afternoon)]

How many such letters are there that are immediately preceded by a symbol and also immediately followed by a number?

Correct Answer: (b) 1
Solution:

(Left) A 9 % B @ 6 & L # K 9 @ 7 # 6 K M * 7 & B (Right)
There is only one such letter which is preceding by a symbol and immediately followed by a number.

28. (Left) T 2 L % 4 M 2 # B N @ 8 K # B 6 L * 3 P (Right) [Group - D 22/09/2022 (Afternoon)]

How many such numbers are there that are immediately preceded by a symbol and also immediately followed by a letter?

Correct Answer: (a) 3
Solution:

(Left) T 2 L % 4 M 2 # B N @ 8 K # B 6 L * 3 P (Right)
There are only 3 such numbers which is preceded by a symbol and followed by a letter.

29. Note: The numbers are to be considered as a whole and should not be split into its constituent digits. [Group - D 22/09/2022 (Evening)]

+25 @ 36 # 29 37 % 14 - 7
How many symbols have a prime number as an immediate neighbour on either of its sides?

Correct Answer: (a) 3
Solution:

+ 25 @ 36 # 29 37 % 14 - 7
There are three such symbols.

30. (Left) *V! ^ C F A * B Y S & Y T G $ V # Y ! $ C ^ A C $ Y N (Right) [Group - D 22/09/2022 (Evening)]

From left , how many such symbols are there that are immediately preceded by a symbol and immediately followed by a letter?

Correct Answer: (c) 2
Solution:

(Left) *V ! ^ C F A * B Y S & Y T G $ V # Y ! $ C ^ A C $ Y N (Right)
There are only 2 such symbols, which are preceded by a symbol and followed by a letter.