Advertisements
Advertisements
प्रश्न
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?
Advertisements
उत्तर
In mixture A,
The number of blue containers = 3
The number of white containers = 4
∴ Ratio of blue and white = `3/4` = 0.75
In mixture B,
The number of blue containers = 3
The number of white containers = 3
∴ Ratio of blue and white = `3/3` = 1
Clearly, mixture A would be lighter shade.
APPEARS IN
संबंधित प्रश्न
Complite the following table given that x varies directly as y .
| x | 2.5 | ... | ... | 15 |
| y | 5 | 8 | 12 | ... |
68 boxes of a certain commodity require a shelf-length of 13.6 m. How many boxes of the same commodity would occupy a shelf length of 20.4 m?
A and B can do a piece of work in 12 days; B and C in 15 days; C and A in 20 days. How much time will A alone take to finish the work?
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 ?
6 men can complete the electric fitting in a building in 7 days. How many days will it take if 21 men do the job?
Two taps A and B can fill an overhead tank in 10 hours and 15 hours respectively. Both the taps are opened for 4 hours and they B is turned off. How much time will A take to fill the remaining tank?
A postman can sort out 738 letters in 6 hours. How many letters can be sorted in 9 hours?
If x and y are in direct proportion, then (x – 1) and (y – 1) are also in direct proportion.
The area of cultivated land and the crop harvested is a case of direct proportion.
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?


