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प्रश्न
Which of the following are in inverse proportion?
Area of cultivated land and the crop harvested
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उत्तर
The amount of crop harvested will rise or fall in proportion to the extent of cultivated land.
∴ The sentence that follows is directly proportional.
संबंधित प्रश्न
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 x = 5 when y = 15, find x when y = 12 .
If x and y vary inversely as other and x = 30, find y when constant of variation = 900.
6 pumps are required to fill a water sump in 1 hr 30 minutes. What will be the time taken to fill the sump if one pump is switched off?
x varies inversely as twice of y. Given that when y = 6, the value of x is 4. Find the value of x when y = 8
If xy = 10, then x and y vary ______ with each other.
Both x and y are said to vary ______ with each other if for some positive number k, xy = k.
If on increasing a, b decreases in such a manner that ______ remains ______ and positive, then a and b are said to vary inversely with each other.
At a particular time, the length of the shadow of Qutub Minar whose height is 72 m is 80 m. What will be the height of an electric pole, the length of whose shadow at the same time is 1000 cm?
Two persons could fit new windows in house in 3 days.
How many persons would be needed to fit the windows in one day?
