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प्रश्न
Which of the following quantities vary inversely as other?
The number of x men hired to construct a wall and the time y taken to finish the job.
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उत्तर
If the number of men is more, the time taken to construct a wall will be less. Therefore, it is in inverse variation.
Thus, only is in inverse variation.
संबंधित प्रश्न
Which of the following are in inverse proportion?
Area of cultivated land and the crop harvested
Rehman is making a wheel using spokes. He wants to fix equal spokes in such a way that the angles between any pair of consecutive spokes are equal. Help him by completing the following table:
| Number of spokes | 4 | 6 | 8 | 10 | 12 |
| Angle between a pair of consecutive spokes |
90° | 60° | ... | ... | ... |
- Are the number of spokes and the angles formed between the pairs of consecutive spokes in inverse proportion?
- Calculate the angle between a pair of consecutive spokes on a wheel with 15 spokes.
- How many spokes would be needed if the angle between a pair of consecutive spokes is 40°?
A car can finish a certain journey in 10 hours at the speed of 48 km/hr. By how much should its speed be increased so that it may take only 8 hours to cover the same distance?
Mohanrao took 10 days to finish a book, reading 40 pages every day. How many pages must be read in a day to finish it in 8 days?
It takes 120 minutes to weed a garden with 6 gardeners. If the same work is to be done in 30 minutes, how many more gardeners are needed?
10 farmers can plough a field in 21 days. Find the number of days reduced if 14 farmers ploughed the same field?
Both x and y are said to vary ______ with each other if for some positive number k, xy = k.
If x and y are in inverse proportion, then (x + 1) and (y + 1) are also in inverse proportion.
If one angle of a triangle is kept fixed then the measure of the remaining two angles vary inversely with each other.
