# Aptitude:: Clock

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### Exercise

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#### A watch which gains uniformly is 2 minutes low at noon on Monday and is 4 min. 48 sec fast at 2 p.m. on the following Monday. When was it correct?

 A. 2 p.m. on Tuesday B. 2 p.m. on Wednesday C. 3 p.m. on Thursday D. 1 p.m. on Friday

#### How many times in a day, the hands of a clock are straight?

 A. 22 B. 24 C. 44 D. 48

#### How many times do the hands of a clock coincide in a day?

 A. 20 B. 21 C. 22 D. 24

#### At what time, in minutes, between 3 o'clock and 4 o'clock, both the needles will coincide each other?

 A. $\fn_cm&space;5\tfrac{1}{11}$ B. $\fn_cm&space;12\tfrac{4}{11}$ C. $\fn_cm&space;13\tfrac{4}{11}$ D. $\fn_cm&space;16\tfrac{4}{11}$

#### At what time between 9 and 10 o'clock will the hands of a watch be together?

 A. 45 min. past 9 B. 50 min. past 9 C. D. $\fn_cm&space;48\tfrac{2}{11}\;&space;min.&space;\;&space;past\;&space;9$

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