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Home › UPSC › CSAT - Reasoning

CSAT - Reasoning — UPSC Questions & Practice

Practise 81 CSAT - Reasoning questions from UPSC 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 CSAT - Reasoning — with answers

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

1. Find the next number in the series: 47, 56, 65, 74, 83, ?

  1. A67
  2. B110
  3. C92
  4. D100
Show answer

Answer: C

Each term increases by 9. Next term = 83 + 9 = 92.

2. Find the next number in the series: 42, 54, 66, 78, 90, ?

  1. A107
  2. B82
  3. C102
  4. D128
Show answer

Answer: C

Each term increases by 12. Next term = 90 + 12 = 102.

3. Find the next number in the series: 42, 44, 46, 48, 50, ?

  1. A37
  2. B27
  3. C60
  4. D52
Show answer

Answer: D

Each term increases by 2. Next term = 50 + 2 = 52.

4. Find the next number in the series: 29, 40, 51, 62, 73, ?

  1. A59
  2. B64
  3. C84
  4. D109
Show answer

Answer: C

Each term increases by 11. Next term = 73 + 11 = 84.

5. Find the next number in the series: 43, 55, 67, 79, 91, ?

  1. A108
  2. B103
  3. C128
  4. D88
Show answer

Answer: B

Each term increases by 12. Next term = 91 + 12 = 103.

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