Secondary School (English Medium) (5 to 8) कक्षा ८ - CBSE Question Bank Solutions

It is given that l varies directly as m. Write an equation which relates l and m.

It is given that l varies directly as m. Find the constant of proportion (k), when l is 6 then m is 18.

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

It is given that l varies directly as m. Find m when l is 8.

The mass of an aluminum rod varies directly with its length. If a 16 cm long rod has a mass of 192 g, find the length of the rod whose mass is 105 g.

If Naresh walks 250 steps to cover a distance of 200 metres, find the distance travelled in 350 steps.

A car travels a distance of 225 km in 25 litres of petrol. How many litres of petrol will be required to cover a distance of 540 kilometres by this car?

From the following table, determine if x and y are in direct proportion or not.

From the following table, determine if x and y are in direct proportion or not.

From the following table, determine if x and y are in direct proportion or not.

If 25 metres of cloth costs Rs 337.50, then what will be the cost of 40 metres of the same type of cloth?

If 25 metres of cloth costs Rs 337.50, then what will be the length of the cloth bought for Rs 810?

A swimming pool can be filled in 4 hours by 8 pumps of the same type. How many such pumps are required if the pool is to be filled in `2 2/3` hours?

The cost of 27 kg of iron is Rs 1,080, what will be the cost of 120 kg of iron of the same quality?

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?

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 C	Mixture D

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?

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?

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?

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?

44 cows can graze a field in 9 days. How many less/more cows will graze the same field in 12 days?