Discussion
Amita starts from the place A and reaches place B in 4 hours 44 minutes. From there, she returns to the starting place A in 3 hours 24 minutes. If she reaches back at 2.30 pm, then her starting time from place A was :
Answer: B
She started at 6.22 am.
Total time for the round trip:
\[ \begin{aligned} 4\text{ h }44\text{ min} + 3\text{ h }24\text{ min} &= 7\text{ h }68\text{ min} \\ &= 8\text{ h }8\text{ min} \end{aligned} \]
Counting back 8 h 8 min from 2.30 pm: 8 hours earlier is 6.30 am, and 8 minutes earlier still is 6.22 am.
6.24 am and 6.44 am come from mishandling the minutes (68 minutes is 1 h 8 min), and 6.00 am ignores the minutes altogether.
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