Advertisements
Advertisements
प्रश्न
In which of the following table x and y vary inversely:
x | 4 | 3 | 6 | 1 |
y | 9 | 12 | 8 | 36 |
उत्तर
\[ \text{ If x and y vary inversely, the product xy should be constant } . \]
\[\text{ Here, in one case, product = 6 } \times 8 = 48 \text{ and in the rest, product } = 36\]
\[\text{ Thus, in this case, x and y do not vary inversely .} \]
APPEARS IN
संबंधित प्रश्न
Which of the following quantities vary inversely as other?
Journey (x km) undertaken by a car and the petrol (y litres) consumed by it.
Three spraying machines working together can finish painting a house in 60 minutes. How long will it take for 5 machines of the same capacity to do the same job?
If x and y vary inversely as other and x = 30, find y when constant of variation = 900.
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?
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
When two quantities x and y are in ______ proportion or vary ______ they are written as `x oo 1/y`.
If x and y are in inverse proportion, then (x + 1) and (y + 1) are also in inverse proportion.
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.
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 | 2 | y | 6 | 10 |
b | x | 12.5 | 15 | z |