Q156 / 160 · TS EAMCET 2025 (03 May Shift 2) · Physics

If a radioactive substance decays $10 \%$ in every 16 hours, then the percentage of the radioactive substance that remains after 2 days is

A
82.2
B
18.8
C
27.1
Correct answer
D
72.9

Hence, the correct answer is option: 'D'.

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