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Letter Series — SSC Questions & Practice

Practise 63 Letter Series questions from SSC for competitive exams such as UPSC, Banking, SSC and Railway. Read the worked questions below, check every answer with an explanation, and track what you get wrong.

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Practice questions on Letter Series — with answers

Try each question first, then open the answer. Explanations are included.

1. Find the next letter in the series: A, C, E, G, ?

  1. AM
  2. BF
  3. CI
  4. DL
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Answer: C

The series skips one letter each time (A,C,E,G,I) alternating letters of the alphabet.

2. Find the next letter in the series: E, H, K, N, ?

  1. AQ
  2. BR
  3. CT
  4. DO
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Answer: A

Each letter is 3 positions ahead of the previous one. Next letter after 'N' is 'Q'.

3. Find the next letter in the series: H, K, N, Q, ?

  1. AQ
  2. BU
  3. CT
  4. DW
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Answer: C

Each letter is 3 positions ahead of the previous one. Next letter after 'Q' is 'T'.

4. Find the next letter in the series: D, H, L, P, ?

  1. AT
  2. BX
  3. CV
  4. DU
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Answer: A

Each letter is 4 positions ahead of the previous one. Next letter after 'P' is 'T'.

5. Find the next letter in the series: P, R, T, V, ?

  1. AB
  2. BX
  3. CY
  4. DU
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Answer: B

Each letter is 2 positions ahead of the previous one. Next letter after 'V' is 'X'.

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