State whether the statements are true (T) or false (F).

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

Fill in the blanks to make the statements true:

Devangi travels 50 m distance in 75 steps, then the distance travelled in 375 steps is ………. Km.

State whether the statements are true (T) or false (F).

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

State whether the statements are true (T) or false (F).

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

State whether the statements are true (T) or false (F).

Length of a side of a square and its area vary directly with each other.