Math, asked by priyaelangovan2001, 3 months ago

2. Which of the following is an inverse variation?
a) Quantity bought and price b) time of travel and distance c) no of workers and work done
d) no of workers and time required.
3
20 is.
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Answers

Answered by thotthing
0

Answer:

(d) no. of workers and time required.

Step-by-step explanation:

....

Answered by createcraftmani
0

Answer:

Step-by-step explanation:

let's understand with some examples

(i) The number of workers on a job and the time to complete the job.

(ii) The time taken for a journey and the distance travelled in a uniform speed.  

(iii) Area of cultivated land and the crop harvested.  

(iv) The time taken for a fixed journey and the speed of the vehicle.  

(i) We know that more is the number of workers to do a job, less is the time taken to finish the job.

So, it is a case of inverse proportion.

(ii) Considering uniform speed, as the distance to be travelled increases, the time taken to cover it will also increase.  

So, this is a case of direct variation.  

(iii) Clearly, more is the area of cultivated land, more is the crop harvested.  

So, it is a case of direct proportion.  

(iv) We know that the more will be the speed of the vehicle, the distance will be covered in lesser time.

So, it is a case of inverse proportion.  

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