Mathematics · Radioactivity Aptitude
A and B are two substances undergoing radioactive decay in a container. The half-life of A is 15 min and that of B is 5 min. If the initial concentration of B is 4 times that of A and they both start decaying at the same time, how much time will it take for the concentration of both of them to become the same?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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Correct answer
15 min
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