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.

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

Following are the car parking charges near a railway station upto

4 hours ₹60
8 hours ₹100
12 hours ₹140
24 hours ₹180

Check if the parking charges are in direct proportion to the parking time.


A and B can polish the floors of a building in 10 days. A alone can do \[\frac{1}{4}\] th of it in 12 days. In how many days can B alone polish the floor  ?

 
 

A and B can do a piece of work in 20 days and B in 15 days. They work together for 2 days and then A goes away. In how many days will B finish the remaining work?


If 12 boys earn Rs 840 in 7 days, what will 15 boys earn in 6 days?

 

Both u and v vary directly with each other. When u is 10, v is 15, which of the following is not a possible pair of corresponding values of u and v?


A car is travelling 48 km in one hour. The distance travelled by the car in 12 minutes is ______.


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

The distance travelled by CNG bus and the amount of CNG used.


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

Simple interest on a given sum and the rate of interest.


It is given that l varies directly as m. Find l, when m is 33.


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 E Mixture F

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?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×