Advertisements
Advertisements
प्रश्न
x and y are said to vary directly with each other if for some positive number k, ______ = k.
Advertisements
उत्तर
x and y are said to vary directly with each other if for some positive number k, `underlinebb(x/y)` = k.
APPEARS IN
संबंधित प्रश्न
Explain the concept of direct variation.
If the thickness of a pile of 12 cardboards is 35 mm, find the thickness of a pile of 294 cardboards.
A, B and C working together can do a piece of work in 8 hours. A alone can do it in 20 hours and B alone can do it in 24 hours. In how many hours will C alone do the same work?
Reema weaves 35 baskets in 25 days. In how many days will she weave 55 baskets?
A cistern can be filled by a tap in 4 hours and emptied by an outlet pipe in 6 hours. How long will it take to fill the cistern if both the tap and the pipe are opened together?
The number of workers and the time to complete a job is a case of direct proportion.
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 A | Mixture B |
 |
 |
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?
Work with a partner to write at least five ratio statements about this quilt, which has white, blue, and purple squares.
How many squares of each colour will be there in 12 such quilts?
Shabnam takes 20 minutes to reach her school if she goes at a speed of 6 km/h. If she wants to reach school in 24 minutes, what should be her speed?
A volleyball court is in a rectangular shape and its dimensions are directly proportional to the dimensions of the swimming pool given below. Find the width of the pool.
