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Study Stuff for MCA Examinations

Study Stuff for MCA Examinations

It was 9.35 AM in Garvita’s watch, which kept
correct time, when Manya informed her that the last
bus left the bus stop at 9.25 am. Manya’s watch is 5
min fast. The frequency of the bus is every 20 min.
For how long Garvita must wait to catch the next
bus?

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A clock is set right at 5 AM. The clock loses 16 minutes in 24 hours.What will be the true time when the clock indicates 10 p.m. on 4th day?

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Time from 5 am. on a day to 10 pm. on 4th day = 89 hours.

Now 23 hrs 44 min. of this clock = 24 hours of correct clock.

356/15 hrs of this clock = 24 hours of correct clock

89 hrs of this clock = (24 x 31556 x 89) hrs of correct clock.

= 90 hrs of correct clock.

So, the correct time is 11 p.m

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

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0=30*3-5.5M

M=$\frac{90}{5.5}$

M=$\frac{180}{11}$

M=$16 \frac{4}{11}$

How many times in a day are the hands of a clock pointing opposite to each other?

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