15.
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At what time between 7 and 8 o'clock will the hands of a clock be in the same straight line but, not together?
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A.
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5 min. past 7
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B.
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C.
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D.
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Answer: Option D
Explanation:
When the hands of the clock are in the same straight line but not together, they are 30 minute spaces apart.
At 7 o'clock, they are 25 min. spaces apart.
Minute hand will have to gain only 5 min. spaces.
55 min. spaces are gained in 60 min.
5 min. spaces are gained in
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60
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x 5
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min
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= 5
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5
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min.
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55
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11
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Required time = 5
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5
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min. past 7.
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11
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