At what time between 9 a. m. and 10 a. m. will be the hands of watch point in opposite directions? [4926]

Q) At what time between 9 a. m. and 10 a. m. will be the hands of watch point in opposite directions?

Options:
A)15(4/11) min. past 9 a. m
B) 17(4/11)min. past 9 a. m
C) 14(4/11)min. past 9 a. m
D) 16(4/11)min. past 9 a. m

Answer

D) 16(4/11)min. past 9 a. m | Explanation:At 9 a. m. the hands are 45 min. apart. They will be opposite to each other when there is a space of 30 minutes between them. This will happen when the min. hand will gain 15 minutes in 15x60/55 i.e., 16(4/11) minutes. Hence, the hands are opposite to each other at 16(4/11) min. past 9 a. m.

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