Advertisements
Advertisements
Question
Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
The number of people working and the time to complete a given work.
Advertisements
Solution
The number of people working and the time to complete a given work are inversely proportional to each other.
E.g. Let 20 workers can complete a work in 1 day.
Then, 10 workers can complete the same work in 2 days.
APPEARS IN
RELATED QUESTIONS
A farmer has enough food to feed 20 animals in his cattle for 6 days. How long would the food last if there were 10 more animals in his cattle?
In which of the following table x and y vary inversely:
| x | 9 | 24 | 15 | 3 |
| y | 8 | 3 | 4 | 25 |
Which of the following quantities vary inversely as other?
The number of x men hired to construct a wall and the time y taken to finish the job.
It is known that for a given mass of gas, the volume v varies inversely as the pressure p. Fill in the missing entries in the following table:
| v (in cm3) | ... | 48 | 60 | ... | 100 | ... | 200 |
| p (in atmospheres) | 2 | ... | 3/2 | 1 | ... | 1/2 | ... |
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?
55 cows can graze a field in 16 days. How many cows will graze the same field in 10 days?
A toy company requires 36 machines to produce car toys in 54 days. How many machines would be required to produce the same number of car toys in 81 days?
Which of the following vary inversely with each other?
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.
If x and y are in inverse proportion, then (x + 1) and (y + 1) are also in inverse proportion.
