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The present ages of three persons in proportions 4 : 7 : 9. Eight years ago, the sum of their ages was 56. Find their present ages (in years).
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There are some boxes lying in a straight line. Every 6th box contains a muffin, every 8th contains a chocolate and every 9th contains a soft-toy. Which is the first box to have all 3 items?
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The circumference of the wheels of a vintage car are 7/3 and 13/4 m respectively.A mark is made on each of these wheels at their point of contact with the ground.Find the distance traveled by the car before which the part of the wheels with the marks is again on the ground at the same time next time.
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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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