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Earn 100
A motorcyclist rode the first half of his way at a constant speed. Then he was delayed for and, therefore, to make up for the lost time he increased his speed by . Find the initial speed of the motorcyclist if the total path covered by him is equal to .
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Important Questions on Time, Speed and Distance
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Ram Singh and Priyadarshan start together from the same point on a circular path and walk around, each at his own pace, until both arrive together at the starting point. If Ram Singh performs the circuit in and Priyadarshan in how many times does Ram Singh go around the path?
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Ravi, who lives in the countryside, caught a train for home earlier than usual yesterday. His wife normally drives to the station to meet him. But yesterday he set out on foot from the station to meet his wife on the way. He reached home earlier than he would have done had he waited at the station for his wife. The car at a uniform speed, which travels at a is times Ravi’s speed on foot. Ravi reached home at exactly O’clock. At what time would he have. Reached home if his wife, forewarned of his plan, had met him at the station?
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Hemant and Ajay start a two-length swimming race at the same moment but from opposite ends of the pool. They swim in lane and at uniform speeds, but Hemant is faster than Ajay. They first pass at a point from the deep end and having completed one. Length, each one is allowed to rest on the edge for exactly . After setting off on the return length, the swimmers pass for the second time just from the shallow end. How long is the pool?
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Rahim sets out to cross a forest. On the first day, he completes of the journey. On the second day, he covers of the distance traveled the first day.
He continues in this manner, alternating the days in which he travels 1/10th of the distance still to be covered, with days on which he travels of the total distance already covered. At the end of the seventh day, he finds that km more will see the end of his journey. How wide is the forest?
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The metro service has a train going from Mumbai to Pune and Pune to Mumbai every hour, the first one at The trip from one city to another takes , and all trains travel at the same speed. How many trains will you pass while going from Mumbai to Pune if you start at noon?
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. The distance between two towns is x km. A car travelling between the towns covers the first k km at an average speed of y km/h and the remaining distance at z km/h. The time taken for the journey is
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Two rifles are fired from the same place at a difference of minutes seconds. But a man who is coming towards the place in a train hears the second sound after minutes. Find the speed of train.
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. A dog sees a cat. It estimates that the cat is leaps away. The cat sees the dog and starts running with the dog in hot pursuit. If in every minute, the dog makes leaps and the cat makes leaps and one leap of the dog is equal to leaps of the cat. Find the time in which the cat is caught by the dog (asume an open field with no trees)
