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A motor boat whose speed in still water 18km/hr takes 1 hour more to go 24km up stream than to returns dowm stream to the same spot.Find Speed of the stream.

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A motor boat whose speed in still water 15km/hr takes half an hour more to go 18km up stream than to returns dowm stream to the same spot.Find Speed of the stream.

A motor boat whose speed in still water 9km/hr takes three hours to go 12km dowm stream and come back.Find Speed of the stream.

Work Problem related to the form A/(ax+by)+B/(cx+dy)=k A boat goes 30 km upstream and 44 km downstream in 10 hours. It can go 40 km upstream and 55 km downstream in 13 hours. Find the speed of the boat in still water and speed of the stream.

Represent the following situations in the form of quadratic equations:(iv)A train travels a distance of 480 km at a uniform speed.If the speed had ben 8 km/h less,then it would have taken 3 hours more to cover the same distance.We need to find the speed of the train.

Work Problem related to the form A/(ax+by)+B/(cx+dy)=k A motorboat takes 6 hours to cover 100 km downstream and 30 km back. If the motorboat goes 75 km downstream and returns back to its starting point in 8 hours, find the speed of the motorboat in still water and speed of the stream.

A train travels 360 km at a uniform speed.If she had been 5 km/h more,it would have taken 1 hour less for the same journey.Find the speed of the train.

A car and a bus start from a place P at the same time and move non-stop towards a place where the distance between P and Q is 210 km. The car takes half an hour less than the bus to arrive Q. If the average speed of the car is 10 km/h more than that of the bus, find the average speed of the car and the bus.

A train covered a certain distance at a uniform speed.If the train would have been 10 km/h faster,it would have taken 2 hours less than the scheduled time.And if the train were slower by 10 km/h,it would have taken 3 hours more than the scheduled time.Find the distance covered by the train.

An express train takes 1 hours less than a passenger train to travel 132 km between Mysore and Bangalore (without taking into consideration the time they stop at intermediate stations).If the average speed of the express train is 11km/h more than that of the passenger train,find the average speed of the two trains.

Work Problem related to speed, distance and time The ratio of the speed A to B is 2:3 . If A takes 3 hours more then B to cover 30km . Find the speed of A and B.

KALYANI PUBLICATION-QUADRATIC EQUATION-EXERCISE
  1. An aeroplane left 30mins later than its scheduled time and in order to...

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  2. A motor boat whose speed in still water 9km/hr takes three hours to g...

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  3. A motor boat whose speed in still water 18km/hr takes 1 hour more to g...

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  4. Two water taps together can fill a tank in 9(3/8) hours.The tap of lar...

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  5. Two pipes running together can fill a cistern in 3fr1/13minutes.If one...

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  6. A swimming pool is filled with three pipes with uniform flow.The first...

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  7. A takes 6days less than the time taken by B to finish a piece of work....

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  8. A and B can complete a piece of work in 9/5 hours,when they work toget...

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  9. Applying formula of quadratic equation, solve the following equations....

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  10. Applying formula of quadratic equation, solve the following equations....

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  11. Applying formula of quadratic equation, solve the following equations....

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  12. Applying formula of quadratic equation, solve the following equations....

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  13. Applying formula of quadratic equation, solve the following equations....

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  14. Applying formula of quadratic equation, solve the following equations....

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  15. Applying formula of quadratic equation, solve the following equations....

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  16. Applying formula of quadratic equation, solve the following equations....

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  17. Applying formula of quadratic equation, solve the following equations....

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  18. Applying formula of quadratic equation, solve the following equations....

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  19. Applying formula of quadratic equation, solve the following equations....

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  20. Applying formula of quadratic equation, solve the following equations....

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