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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?

Correct Answer: 5 5 min. past 7 11

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 60 x 5 ❩min = 5 5 min.
55 11



∴ Required time = 5 5 min. past 7.
11


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