Advertisements
Advertisements
प्रश्न
In which of the following table x and y vary inversely:
| x | 4 | 3 | 12 | 1 |
| y | 6 | 8 | 2 | 24 |
उत्तर
\[\text{ Since x and y vary inversely, we have: } \]
\[y = \frac{k}{x}\]
\[ \Rightarrow xy = k\]
\[ \therefore \text{ The product of x and y is constant } . \]
\[\text{ In all cases, the product xy is constant } (i . e . , 24) . \]
\[\text{ Thus, in this case, x and y vary inversely .} \]
APPEARS IN
संबंधित प्रश्न
Which of the following are in inverse proportion?
The population of a country and the area of land per person.
In which of the following table x and y vary inversely:
| x | 5 | 20 | 10 | 4 |
| y | 20 | 5 | 10 | 25 |
Which of the following quantities vary inversely as other?
The length x of a journey by bus and price y of the ticket.
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?
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?
Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
Increase in cost and number of shirts that can be purchased if the budget remains the same.
If a deposit of Rs 2,000 earns an interest of Rs 500 in 3 years, how much interest would a deposit of Rs 36,000 earn in 3 years with the same rate of simple interest?
Find the values of x and y if a and b are in inverse proportion:
- 12 x 8
- 30 5 y
If a and b vary inversely to other, then find the values of p, q, r ; x, y, z and l, m, n.
| a | l | 9 | n | 6 |
| b | 5 | m | 25 | 10 |
