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eLitmus Alphanumeric Series — practice questions

Explore 8 free Alphanumeric Series questions in eLitmus Reasoning. Open each question or exercise to read its content, reference answers and available explanation.

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Alphanumeric Series questions and exercises with answers

Showing questions 1–8 of 8.

Find the next term in the series: 3L12, 9N14, 27P16, ?Read the answer and worked solution →What alphanumeric term follows in the series: 2K, 5L, 10N, 17Q, ?Read the answer and worked solution →What is the next term in the series: 24X, 22V, 20T, _____?Read the answer and worked solution →Find the next term in the series: B2, K12, T72, ___Read the answer and worked solution →Find the next term in the series: X24C, V22E, T20G, ___Read the answer and worked solution →Find the next term in the series: Z26, X24, V22, ___Read the answer and worked solution →Find the next term in the series: 5I, 7J, 11L, 17O, ?Read the answer and worked solution →What is the next term in the series: B25Y, D23W, F21U, ?Read the answer and worked solution →

Worked practice questions

Find the next term in the series: 3L12, 9N14, 27P16, ?

  1. 80R18
  2. 81S18
  3. 80S18
  4. 81R18
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Correct answer: D. 81R18

1. Numbers: 3, 9, 27 multiply by 3 each time, so next is 81. 2. Letters: L, N, P advance by 2, so next is R. 3. Trailing numbers: 12, 14, 16 increase by 2, so next is 18. 4. Combine: 81R18. _Source: RRB Group D CEN-02/2018 PYQ, Q.12._

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What alphanumeric term follows in the series: 2K, 5L, 10N, 17Q, ?

  1. 26U
  2. 20S
  3. 18K
  4. 25M
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Correct answer: A. 26U

1. Numbers: 2, 5, 10, 17 increase by 3, 5, 7, then 9, giving 17 + 9 = 26. 2. Letters: K(11), L(12), N(14), Q(17) advance by 1, 2, 3, then 4, giving 17 + 4 = 21. 3. Position 21 is the letter U. 4. Combine the number and letter: 26U. _Source: RRB Group D CEN-02/2018 PYQ, Q.46._

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What is the next term in the series: 24X, 22V, 20T, _____?

  1. 16P
  2. R18
  3. P16
  4. 18R
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Correct answer: D. 18R

1. Numbers decrease by 2: 24, 22, 20, then 18. 2. Letters move back by 2 in the alphabet: X, V, T, then R. 3. Combining gives 18R. _Source: RRB Group D CEN-02/2018 PYQ, Q.15._

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More Reasoning topics

Coding DecodingDistance and DirectionNumber SeriesBlood RelationsAnalogyAnalogiesVenn DiagramsNumber Series, Coding and Decoding and Odd Man Out