Advertisements
Advertisements
प्रश्न
If x and y vary inversely as other and y = 35, find x when constant of variation = 7.
Advertisements
उत्तर
\[ \text{ Given } : \]
\[y = 35 \text{ and } k = 7\]
\[\text{ Now } , xy = k\]
\[ \Rightarrow 35x = 7\]
\[ \Rightarrow x = \frac{7}{35}\]
\[ = \frac{1}{5}\]
\[ \therefore x = \frac{1}{5}\]
संबंधित प्रश्न
Which of the following are in inverse proportion?
The time taken for a fixed journey and the speed of the vehicle.
A factory required 42 machines to produce a given number of articles in 63 days. How many machines would be required to produce the same number of articles in 54 days?
A school has 8 periods a day each of 45 minutes duration. How long would each period be, if the school has 9 periods a day, assuming the number of school hours to be the same?
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?
1200 soldiers in a fort had enough food for 28 days. After 4 days, some soldiers were transferred to another fort and thus the food lasted now for 32 more days. How many soldiers left the fort?
6 pipes are required to fill a tank in 1 hour 20 minutes. How long will it take if only 5 pipes of the same type are used?
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 varies inversely as y and when x = 6, y = 8, then for x = 8 the value of y is 10.
Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
The time taken by a train to cover a fixed distance and the speed of the train.
Two persons could fit new windows in house in 3 days.
How many persons would be needed to fit the windows in one day?
