A person goes to a market between 4 p.m. and 5 p.m. When he comes back he finds that the hour hand and the minute hand of the clock have interchanged their positions. For how much time (approximately) was he out of his house?

A person goes to a market between 4 p.m. and 5 p.m. When he comes back

1.	A person goes to a market between 4 p.m. and 5 p.m. When he comes back he finds that the hour hand and the minute hand of the clock have interchanged their positions. For how much time (approximately) was he out of his house?
A.	55.38 minutes
B.	55.48 minutes
C.	55.57 minutes
D.	55.67 minutes
Answer» B. 55.48 minutes

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A person goes to a market between 4 p.m. and 5 p.m. When he comes back he finds that the hour hand and the minute hand of the clock have interchanged their positions. For how much time (approximately) was he out of his house?

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