Advertisements
Advertisements
प्रश्न
If x varies inversely as y and when x = 6, y = 8, then for x = 8 the value of y is 10.
विकल्प
True
False
Advertisements
उत्तर
This statement is False.
Explanation:
If x varies inversely as y, i.e. xy = k ...(Constant)
If x = 6 and y = 8
∴ xy = 6 × 8 = 48
But if x = 8 and y = 10
∴ xy = 8 × 10 = 80
Here, 48 ≠ 80
Hence, the value of y is not 10.
APPEARS IN
संबंधित प्रश्न
Which of the following are in inverse proportion?
The number of workers on a job and the time to complete the job.
In a Television game show, the prize money of Rs 1,00,000 is to be divided equally amongst the winners. Complete the following table and find whether the prize money given to an individual winner is directly or inversely proportional to the number of winners?
| Number of winners | 1 | 2 | 4 | 5 | 8 | 10 | 20 |
| Prize for each winner (in Rs) | 1,00,000 | 50,000 | ... | ... | ... | ... | ... |
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?
If 36 men can do a piece of work in 25 days, in how many days will 15 men do it?
A group of 3 friends staying together, consume 54 kg of wheat every month. Some more friends join this group and they find that the same amount of wheat lasts for 18 days. How many new members are there in this group now?
18 men can reap a field in 35 days. For reaping the same field in 15 days, how many men are required?
The stock of grain in a government warehouse lasts 30 days for 4000 people. How many days will it last for 6000 people?
If two quantities p and q vary inversely with each other, then ______
If xy = 10, then x and y vary ______ with each other.
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.
