UPSC Civil Services 2014 Prelims General Studies Paper II

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Question : 54 of 80
 
Marks: +1, -0
Assume that
1. the hour and minute hands of a clock move without jerking.
2. the clock shows a time between 8 o'clock and 9 o'clock.
3. the two hands of the clock are one above the other.
After how many minutes (nearest integer) will the two hands be again lying one above the other ?
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