AlphaNumeric Sequence puzzles
Logical Reasoning Questions based on AlphaNumeric Sequence puzzles can be tried upon in this question and answers. Attempt all of them to know if you understand it's basic concept.This section is very useful for those who are preparing for competitive exams such as Written test of Bank Exams, CAT Exams, Railway Exams, SSC, UPSC,Banking,Insurance, Defence and many more.

Q1.Directions : In each question below is given a group of digits/symbols followed by four combinations of letters numbered (a), (b), (c) and (d). You have to find out which of the combination correctly represents the group of digits/ symbols based on the following ceding system and the conditions those follow. If none of the combinations correctly represents the group of letters/ digits, give (e) i.e. 'None of these' as the answer.
Digit/Symbol: `1 # $ 9 8 6 % @ © 7 2 4 * 35
Letter/Code: B D E N I V R G H K T J P FA
Conditions:
(i) If both the first and the last elements in the group are odd digits then both are to be coded as y.
(ii) If the first element is a symbol and the last element is an even digit, the codes for the first and the last elements are to be interchanged,
(iii) If the first element is an odd digit, and the last element is a symbol, both are to be coded as 'Z'.
(iv) If the first element is an even digit and the last element' is odd digit, both are to be coded as the code for the odd digit.
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Q2.Directions : In each question below is given a group of digits/symbols followed by four combinations of letters numbered (a), (b), (c) and (d). You have to find out which of the combination correctly represents the group of digits/ symbols based on the following ceding system and the conditions those follow. If none of the combinations correctly represents the group of letters/ digits, give (e) i.e. 'None of these' as the answer.
Digit/Symbol: `1 # $ 9 8 6 % @ © 7 2 4 * 35
Letter/Code: B D E N I V R G H K T J P FA
Conditions:
(i) If both the first and the last elements in the group are odd digits then both are to be coded as y.
(ii) If the first element is a symbol and the last element is an even digit, the codes for the first and the last elements are to be interchanged,
(iii) If the first element is an odd digit, and the last element is a symbol, both are to be coded as 'Z'.
(iv) If the first element is an even digit and the last element' is odd digit, both are to be coded as the code for the odd digit.
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Q3.Directions : In each question below is given a group of digits/symbols followed by four combinations of letters numbered (a), (b), (c) and (d). You have to find out which of the combination correctly represents the group of digits/ symbols based on the following ceding system and the conditions those follow. If none of the combinations correctly represents the group of letters/ digits, give (e) i.e. 'None of these' as the answer.
Digit/Symbol: `1 # $ 9 8 6 % @ © 7 2 4 * 35
Letter/Code: B D E N I V R G H K T J P FA
Conditions:
(i) If both the first and the last elements in the group are odd digits then both are to be coded as y.
(ii) If the first element is a symbol and the last element is an even digit, the codes for the first and the last elements are to be interchanged,
(iii) If the first element is an odd digit, and the last element is a symbol, both are to be coded as 'Z'.
(iv) If the first element is an even digit and the last element' is odd digit, both are to be coded as the code for the odd digit.
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Q4.Directions : In each question below is given a group of digits/symbols followed by four combinations of letters numbered (a), (b), (c) and (d). You have to find out which of the combination correctly represents the group of digits/ symbols based on the following ceding system and the conditions those follow. If none of the combinations correctly represents the group of letters/ digits, give (e) i.e. 'None of these' as the answer.
Digit/Symbol: `1 # $ 9 8 6 % @ © 7 2 4 * 35
Letter/Code: B D E N I V R G H K T J P FA
Conditions:
(i) If both the first and the last elements in the group are odd digits then both are to be coded as y.
(ii) If the first element is a symbol and the last element is an even digit, the codes for the first and the last elements are to be interchanged,
(iii) If the first element is an odd digit, and the last element is a symbol, both are to be coded as 'Z'.
(iv) If the first element is an even digit and the last element' is odd digit, both are to be coded as the code for the odd digit.
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Q5.Directions : In each question below is given a group of digits/symbols followed by four combinations of letters numbered (a), (b), (c) and (d). You have to find out which of the combination correctly represents the group of digits/ symbols based on the following ceding system and the conditions those follow. If none of the combinations correctly represents the group of letters/ digits, give (e) i.e. 'None of these' as the answer.
Digit/Symbol: `1 # $ 9 8 6 % @ © 7 2 4 * 35
Letter/Code: B D E N I V R G H K T J P FA
Conditions:
(i) If both the first and the last elements in the group are odd digits then both are to be coded as y.
(ii) If the first element is a symbol and the last element is an even digit, the codes for the first and the last elements are to be interchanged,
(iii) If the first element is an odd digit, and the last element is a symbol, both are to be coded as 'Z'.
(iv) If the first element is an even digit and the last element' is odd digit, both are to be coded as the code for the odd digit.
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Q6.
Directions: What should come in the place of question mark (?) in the following alpha  numeric series?
P1F, R2E, T6D, V24C, ?Show Solution Report ErrorPlease Login here to view detailed solution of this question
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Q7.
Directions: What should come in the place of question mark (?) in the following alpha  numeric series?
BA 400 ZY, DC 361 XW, FE 324 VU, ?, JI 256 RQShow Solution Report ErrorPlease Login here to view detailed solution of this question
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Q8.
Directions: What should come in the place of question mark (?) in the following alpha  numeric series?
CO3KP, DO4KQ, EO5KR, ?Show Solution Report ErrorPlease Login here to view detailed solution of this question
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Q9.
Directions: What should come in the place of question mark (?) in the following alpha  numeric series?
76 XW 67, 75 UT 57, 74 RQ 47, ?, 72 LK 27Show Solution Report ErrorPlease Login here to view detailed solution of this question
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Q10.
Directions: What should come in the place of question mark (?) in the following alpha  numeric series?
2Z5, 7X7, 14V9, 23T11, 34R13, ?Show Solution Report ErrorPlease Login here to view detailed solution of this question
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