Question

What should come in place of the question mark (?) in the given series?
521 523 527 533 541 ?

Asked in RRB Group D · 2026
Series · Logical Reasoning
Exam PYQ4 Options
Logical ReasoningNumber SeriesSeriesComplete the SeriesRRB Group D2026
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Exam Tip

Test square based differences when the gaps rise quickly. For example, additions of 1, 4, 9, 16 correspond to 1², 2², 3², 4².

Correct AnswerCorrect option for this question
Option C — 551

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Questions Asked from Series in Previous Exams

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High Exam Frequency
14UPSC Questions Asked in These Years:2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2020, 2021, 2022, 2023, 2024, 2026
10SSC Questions Asked in These Years:2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
8Railways Questions Asked in These Years:2016, 2018, 2020, 2021, 2022, 2024, 2025, 2026
14State PSC Questions Asked in These Years:2004, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
46 exam questions have been mapped to this exact video topic, with the highest frequency in UPSC, State PSC and SSC.
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