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A boy walks at a speed of 4 kmph. How much time does he take to walk a distance of 20 km?
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In travelling from Mumbai to Goa, Moumita drove for 1 hour at 50 mph and for 3 hours at 60 mph. What was her average speed for the whole trip?
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Travel 70 miles, spent 2 hours on the first part of the trip and travel 30 miles, spent 1 hours on the second part of the trip ,then find the average speed?
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In a race of 4 Kms A beats B by 100 m or 25 seconds, then time taken by A is
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If in a race of 80m, A covers the distance in 20 seconds and B in 25 seconds, then A beats B by
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Two pipes A and B can fill a tank in 12 and 24 minutes respectively. If both the pipes are used together, then how long will it take to fill the
tank?
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A pump can fill a tank with water in 2 hours. Because of a leak, it took 2$\dfrac{2}{3}$ hours to fill the tank. The leak can drain all the water
of the tank in?
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A tank is filled in 10 hours by three pipes A, B and C. The pipe C is twice as fast as B and B is twice as fast as A. How much time will pipe
A alone take to fill the tank?
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Two pipes P and Q can fill a cistern in 12 min and 16 min respectively. Simultaneously both the pipes are opened together, then after how
much time Q should be closed so that tanks full in 9 min?
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Evaluate 6!
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