English

Write whether the following statement vary directly, vary inversely with each other, or neither of the two. Number of students in a hostel and consumption of food. - Mathematics

Advertisements
Advertisements

Question

Write whether the following statement vary directly, vary inversely with each other, or neither of the two.

Number of students in a hostel and consumption of food.

Short Answer
Advertisements

Solution

The number of students in a hostel and consumption of food are directly proportional to each other.

E.g. Let 200 students in a hostel can consume 100 kg of rice in a month.

Then, 400 students in a hostel can consume 200 kg of rice in a month.

shaalaa.com
  Is there an error in this question or solution?
Chapter 10: Direct and Inverse Proportions - Exercise [Page 322]

APPEARS IN

NCERT Exemplar Mathematics [English] Class 8
Chapter 10 Direct and Inverse Proportions
Exercise | Q 61. (i) | Page 322

Video TutorialsVIEW ALL [1]

RELATED QUESTIONS

Rakesh can do a piece of work in 20 days. How much work can he do in 4 days?

 

Rohan can paint \[\frac{1}{3}\]  of a painting in 6 days. How many days will he take to complete the painting?

 
 

A and B can do a piece of work in 6 days and 4 days respectively. A started the work; worked at it for 2 days and then was joined by B. Find the total time taken to complete the work.


Ten men take 4 days to complete the task of tarring a road. How many days would 8 men take?


If the distance travelled by a rickshaw in one hour is 10 km, then the distance travelled by the same rickshaw with the same speed in one minute is ______.


The number of workers and the time to complete a job is a case of direct proportion.


The variable x varies directly as y and x = 80 when y is 160. What is y when x is 64?


Campus and Welfare Committee of school is planning to develop a blue shade for painting the entire school building. For this purpose various shades are tried by mixing containers of blue paint and white paint. In the following mixtures, decide which is a lighter shade of blue and also find the lightest blue shade among all of them.

Mixture G Mixture H

If one container has one litre paint and the building requires 105 litres for painting, how many container of each type is required to paint the building by darkest blue shade?


30 persons can reap a field in 17 days. How many more persons should be engaged to reap the same field in 10 days?


Kusum always forgets how to convert miles to kilometres and back again. However she remembers that her car’s speedometer shows both miles and kilometres. She knows that travelling 50 miles per hour is same as travelling 80 kilometres per hour. To cover a distance of 200 km, how many miles Kusum would have to go?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×