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Clock - General Aptitude

Q1:

At what time between 7 and 8 o'clock will the hands of a clock be in the same straight line but, not together?

A 5 min. past 7

B
5 2 min. past 7
11

C
5 3 min. past 7
11

D
5 5 min. past 7
11

ANS:D -

5 5 min. past 7
11

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