SSC GD Constable 2011 · Question 43 of 97
The nuclear fuel disintegrates half of its value every 25 min. So, at 10:50 it becomes '2g', at 11:15 it becomes '1g' and at 11:40 it becomes 0.5g Hence, option D is the correct answer.
Source: Solved SSC GD 2011 Paper with Solutions — Testbook · reliable-secondary
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