Advertisements
Advertisements
प्रश्न
In which of the following table x and y vary inversely:
| x | 5 | 20 | 10 | 4 |
| y | 20 | 5 | 10 | 25 |
Advertisements
उत्तर
\[ \text{ In all cases, the product xy is constant for any two pairs of values for x and y } . \]
\[\text{ Here, xy = 100 for all cases } \]
\[\text{ Thus, in this case, x and y vary inversely .} \]
संबंधित प्रश्न
Which of the following are in inverse proportion?
The time taken for a fixed journey and the speed of the vehicle.
It x and y vary inversely, fill in the following blank:
| x | 9 | ... | 81 | 243 |
| y | 27 | 9 | ... | 1 |
1200 men can finish a stock of food in 35 days. How many more men should join them so that the same stock may last for 25 days?
If x and y vary inversely as other and x = 3 when y = 8, find y when x = 4 .
If x and y vary inversely as other and x = 5 when y = 15, find x when y = 12 .
A farmer has enough food for 144 ducks for 28 days. If he sells 32 ducks how long will the food last?
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 x and y are in inverse proportion, then (x + 1) and (y + 1) are also in inverse proportion.
If a and b vary inversely to other, then find the values of p, q, r ; x, y, z and l, m, n.
| a | 2 | y | 6 | 10 |
| b | x | 12.5 | 15 | z |
