Gate Exam Category

In a 1000 m race A reaches the goal 5 seconds earlier and beats B by 50 m.What is A speed?
a)10 m/s b)10 10/19 m/s c)9 9/19 m/s d)11 9/19 m/s

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Gate Other Question

A police patrol party travelling at 60 kmph crosses an escaping thief travelling in the opposite direction at 48 kmph.The police party has to travel for a further 5 minutes before it can find a gap in the median where it can take a U turn and start chasing the thief.After how much time after the police party crosses the thief does it catch him?
a)25 mins b)50 mins c)15 mins d)32 mins
Two points A and B are diametrically opposite points on a circular road of circumference 12 km. A cyclist started from A and made three rounds.He made the first round with a speed of 12 kmph and decreased his speed by 3 kmph for every round.What is the interval between the first time he passes through B and the third time he passes through B?
a)200 mins b)100 mins c)85 mins d)170 mins