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Direct & Inverse Proportions

In question, state whether the statement are true (T) or false (F).

When the speed is kept fixed, time and distance vary inversely with
each other

Direct & Inverse Proportions

In question, state whether the statement are true (T) or false (F).

Two quantities x and y are said to vary directly with each other if for
some rational number k, xy = k.

Direct & Inverse Proportions

Devangi travels 50 m distance in 75 steps, then the distance travelled in 375 steps is _______ km.

Direct & Inverse Proportions

If 45 persons can complete a work in 20 days, then the time taken
by 75 persons will be ______ hours.

Direct & Inverse Proportions

If x varies inversely as y and x = 4 when y = 6, then when x = 3 the
value of y is _______.

Direct & Inverse Proportions

If the thickness of a pile of 12 cardboard sheets is 45 mm, then the
thickness of a pile of 240 sheets is _______ cm

Direct & Inverse Proportions

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 to cover the same
distance is __________.

Direct & Inverse Proportions

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

Direct & Inverse Proportions

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

Direct & Inverse Proportions

If two quantities p and q vary inversely with each other then ______
of their corresponding values remains constant.