Q. 23.7( 13 Votes )

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

Answer :

The number of workers building a wall and time taken by them is inversely proportional.

Let x be the number of workers and y be the time taken.

(k is constant) (1)

Number of workers given=15

Time took =48 hrs

(Put in 1)

Wall has to be built in 30 hours

So,

(Put in 1)

(Since)

So, 24 workers are needed to build the wall in 30 hours.

Rate this question :

How useful is this solution?

We strive to provide quality solutions. Please rate us to serve you better.

PREVIOUSWhich 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.NEXT120 bags of half liter milk can be filled by a machine within 3 minutes find the time to fill such 1800 bags?

Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Expertsview all courses

Dedicated counsellor for each student

24X7 Doubt Resolution

Daily Report Card

Detailed Performance Evaluation

RELATED QUESTIONS :

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

MHB - Mathematics (New)