superprepTNPSC Group 1

Daily Current Affairs Quiz

TNPSC Group 1 Daily Quiz, Saturday, 26 September 2026

10 current-affairs MCQs · English + Tamil · ~2 min · no sign-up needed

Q1 of 10Sound

Human ears cannot hear sounds with frequencies below or 20000 Hz.

  1. A

    10 Hz

  2. B

    3 Hz

  3. C

    20 Hz

  4. D

    12 Hz

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