Q3 of 16 Page 40

120 bags of half liter milk can be filled by a machine within 3 minutes find the time to fill such 1800 bags?

Number of bags will be directly proportional to the time taken because as the number of bags increases, time to fill them also increases.


Number of bags0


Time is taken to fill




(k=constant)



(1)


Number of bags


Let time taken to fill them be x





(From 1)



So, 45 minutes are needed to fill 1800 bags.


More from this chapter

All 16 →
6

X varies inversely as y, when x = 15 then y = 10, if x = 20 then y =?

 1

Which of the following statements is of inverse variation?

(1) The number of workers on a job and time taken by them to complete the job.


(2) The number of pipes of the same size to fill a tank and the time taken by them to fill the tank.


(3) Petrol filled in the tank of a vehicle and its cost.


(4) Area of the circle and its radius.


 2

If 15 workers can build a wall in 48 hours, how many workers will be required to do the same work in 30 hours?

 4

A car with a speed of 60 km/hr takes 8 hours to travel some distance. What should be the increase in the speed if the same distance is to be covered in hours?