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प्रश्न
Which of the following quantities vary inversely as other?
Journey (x km) undertaken by a car and the petrol (y litres) consumed by it.
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उत्तर
If the length of the journey is more, the amount of petrol consumed by the car will also be more. Therefore, it is not in inverse variation.
संबंधित प्रश्न
Which of the following are in inverse proportion?
The time taken for a fixed journey and the speed of the vehicle.
A batch of bottles was packed in 25 boxes with 12 bottles in each box. If the same batch is packed using 20 bottles in each box, how many boxes would be filled?
Two persons could fit new windows in house in 3 days.
One of the persons fell ill before the work started. How long would the job take now?
Find the constant of variation from the table given below:
| x | 3 | 5 | 7 | 9 |
| y | 12 | 20 | 28 | 36 |
Set up a table and solve the following problems. Use unitary method to verify the answer.
If x and y vary inversely as other and y = 35, find x when constant of variation = 7.
Three persons can build a small house in 8 days. To build the same house in 6 days, how many persons are required?
Forty students stay in a hostel. They had food stock for 30 days. If the students are doubled then for how many days the stock will last?
Both x and y are said to vary ______ with each other if for some positive number k, xy = k.
When two quantities are related in such a manner that if one increases and the other decreases, then they always vary inversely.
Sobi types 108 words in 6 minutes. How many words would she type in half an hour?
