Advertisements
Advertisements
प्रश्न
Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
Distance travelled by an auto-rickshaw and time taken.
Advertisements
उत्तर
Distance travelled by an auto-rickshaw and time taken are directly proportional to each other.
E.g. Let an auto-rickshaw takes 2 h to travel 10 km.
Then, it will take 4 h to travel 20 km.
APPEARS IN
संबंधित प्रश्न
Fill in the blank in of the following so as to make the statement true:
If u = 3 v, then u and v vary .... with each other.
The amount of extension in an elastic string varies directly as the weight hung on it. If a weight of 150 gm produces an extension of 2.9 cm, then what weight would produce an extension of 17.4 cm?
A and B can do a piece of work in 18 days; B and C in 24 days and A and C in 36 days. In what time can they do it, all working together?
- How far will it travel in 20 minutes?
- Find the time required to cover a distance of 250 km.
If half a meter of cloth costs ₹ 15. Find the cost of `8 1/3` meters of the same cloth
If x varies directly as y, then
| x | 12 | 6 |
| y | 48 | – |
For fixed time period and rate of interest, the simple interest is directly proportional to the principal.
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.
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?
The students of Anju’s class sold posters to raise money. Anju wanted to create a ratio for finding the amount of money her class would make for different numbers of posters sold. Could Anju’s class raise exactly Rs 2,000? If so, how many posters would they need to sell? If not, why?
