Select the number from among the given options that can replace the question mark (?) in the following series.

2, 4, 5, 19, 71, ?

This question was previously asked in
SSC CHSL 2020 Official Paper 1 (Held On: 12 April 2021 Shift 1)
View all SSC CHSL Papers >
  1. 361
  2. 216
  3. 316
  4. 261

Answer (Detailed Solution Below)

Option 1 : 361
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SSC CHSL Exam 2023 Tier-I Official Paper (Held On: 02 Aug 2023 Shift 1)
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100 Questions 200 Marks 60 Mins

Detailed Solution

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The logic is:

× 1 + 2 = 2 + 2 = 4

4 × 2 - 3 = 8 - 3 = 5

× 3 + 4 = 15 + 4 = 19

19 × 4 - 5 = 76 - 5 = 71

71 × 5 + 6 = 355 + 6 = 361

Hence, ‘361’ is the correct answer.

Latest SSC CHSL Updates

Last updated on May 28, 2025

-> The SSC has released the SSC CHSL exam calendar for various exams including CHSL 2025 Recruitment. As per the calendar, SSC CHSL Application process will be active from 23rd June 2025 to 18th July 2025. 

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