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 journey and the distance travelled in a uniform speed.
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?
Raghu has enough money to buy 75 machines worth Rs 200 each. How many machines can he buy if he gets a discount of Rs 50 on each machine?
A printer, prints a book of 300 pages at the rate of 30 pages per minute. Then, how long will it take to print the same book if the speed of the printer is 25 pages per minute?
If two quantities p and q vary inversely with each other, then ______
Both x and y are said to vary ______ with each other if for some positive number k, xy = k.
Two quantities are said to vary ______ with each other if an increase in one causes a decrease in the other in such a manner that the product of their corresponding values remains constant.
Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
The height of a tree and the number of years.
If a and b vary inversely to other, then find the values of p, q, r ; x, y, z and l, m, n.
| a | 6 | 8 | q | 25 |
| b | 18 | p | 39 | r |
