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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.
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उत्तर
because u = 3v, u and y vary directly with each other
संबंधित प्रश्न
Rashmi has a road map with a scale of 1 cm representing 18 km. She drives on a road for 72 km. What would be her distance covered in the map?
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8 men can do a piece of work in 9 days. In how many days will 6 men do it?
If 25 men earn Rs 1000 in 10 days, how much will 15 men earn in 15 days?
In which of the following case, do the quantities vary directly with each other?
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Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
The number of people working and the quantity of work.
Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
Area of land and its cost.
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?
The table shows the time four elevators take to travel various distances. Find which elevator is fastest and which is slowest.
| Distance (m) | Time (sec.) | |
| Elevator- A | 435 | 29 |
| Elevator- B | 448 | 28 |
| Elevator- C | 130 | 10 |
| Elevator- D | 85 | 5 |
How much distance will be travelled by elevators B and C separately in 140 sec? Who travelled more and by how much?
