Question

At what times are the hands of a clock at right angles
between 7 am and 8 am?

a) 54 6/11 min past 7, 21 9/11 min past 7

b) 52 5/11 min past 7, 21 8/11 min past 7

c) 56 6/11 min past 7, 21 8/11 min past 7

d) None of these


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Answer 1

Answer:

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