If two quantities p and q vary inversely with each other, then

Both x and y are in direct proportion,then \(\frac{1}{x}\)and \(\frac{1}{y}\)are

If 'x' and 'y' are in an inverse variation then which of the following is correct?

If x and y are in 'inverse variation' then:

40 cows can graze a field in 16 days. How many cows will graze the same field in 10 days?

Let x varies directly as y², for y = 3, x = 2. If y = 5 then x is____________

x and y are said to vary directly with each other, if for some positive number k,...................=k

When the speed remains constant, the distance travelled is______________ proportional to the time.

The perimeter of a circle and its diameter vary___________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.

From the following table, determine x and y are in direct proportion or not?

If the area of a circle, whose radius is 5 cm is increased to four times, then find the changed radius?

If a box of sweets is divided amongst 18 children, then they will get 8 sweets each. How many would each get, if the number of the children is reduced by 6?

In which of the following cases, there are direct variation between the two given quantities?
Cloth was purchased at Rs.8 per metre. How much will 19 m of cloth cost?

If x and y vary inversely and x = 32, where y = 9, then find x when y= 48.

6 pipes are required to fill a tank in I hour 20 minutes. How long will it take if only 5 pipes of the same type are used?

A loaded truck travels 168 km in 5 hours. How far can it travel in 25 minutes?

4 persons can build a room in 3 days. If there are only 3 persons to be engaged in the building task, then how long should they take to complete the task?

A car takes 1.5 hours to reach a destination by travelling at the speed of 80 km/h. How long will it take when the car travels at the speed of 60 km/hr?

A school has 9 periods a day each of 40 minutes duration. How long would each period be, if the school has 8 periods a day, assuming the number of school-hours to be the same?

A mixture of paint is prepared by mixing 1 part of red pigment with 8 parts of base. In the following table, find the parts of base that need to be added.

if 1 part of a red pigment requires 75 mL of base, how much red pigment should we mix with 1800 mL of base?

In a camp, there is enough flour for 300 persons for 42 days. How long will the flour last, if 20 more persons join the camp?

A contractor undertook a contract to complete a part of a stadium in 9 months with a team of 560 persons. Later on, it was required to complete the job in 5 months. How many extra persons should he employ to complete the work?

A contractor estimates that 5 persons complete a task in 4 days. If he uses 4 persons instead of 5, how long should they take to complete the task?

Think of a few more examples for direct proportion.

Observe the following tables and find, if x and y are directly proportional