Advertisements
Advertisements
प्रश्न
If x and y vary inversely as other and x = 30, find y when constant of variation = 900.
Advertisements
उत्तर
\[ \text{ Given: } \]
\[x = 30 \text{ and } k = 900\]
\[ \therefore xy = k\]
\[ \Rightarrow 30y = 900\]
\[ \Rightarrow y = \frac{900}{30}\]
\[ = 30\]
\[ \therefore y = 30\]
APPEARS IN
संबंधित प्रश्न
Which of the following are in inverse proportion?
The time taken for a journey and the distance travelled in a uniform speed.
Two persons could fit new windows in house in 3 days.
One of the persons fell ill before the work started. How long would the job take now?
In which of the following table x and y vary inversely:
| x | 4 | 3 | 12 | 1 |
| y | 6 | 8 | 2 | 24 |
It x and y vary inversely, fill in the following blank:
| x | 12 | 16 | ... | 8 | ... |
| y | ... | 6 | 4 | ... | 0.25 |
If 36 men can do a piece of work in 25 days, in how many days will 15 men do it?
Which quantities in the previous question vary inversely with each other?
If two quantities p and q vary inversely with each other then ______ of their corresponding values remains constant.
If one angle of a triangle is kept fixed then the measure of the remaining two angles vary inversely with each other.
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 | 2 | y | 6 | 10 |
| b | x | 12.5 | 15 | z |
