Q33 of 106 Page 310

Fill in the blanks to make the statements true:

The perimeter of a circle and its diameter vary ………. With each other.

The perimeter of a circle and its diameter vary directly with each other

Perimeter of a circle = 2� r


Diameter of a circle = 2×r


⇒ π × Diameter


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31

Fill in the blanks to make the statements true:

If two quantities x and y vary directly with each other, then …………… of their corresponding values remains constant.

 32

Fill in the blanks to make the statements true:

It two quantities p and q vary inversely with each other then ………. Of their corresponding values remains constant.

 34

Fill in the blanks to make the statements true:

A car is travelling 48 km in one hour. The distance travelled by the car in 12 minutes is ……………….

 35

Fill in the blanks to make the statements true:

An auto rickshaw takes 3 hours to cover a distance of 36 km. If its speed is increased by 4 km/h., the time taken by it cover the same distance is …………...