Circle the odd one out. Give reason.

1). Handspan, Cubit, metre.

2). Tabe, Falling stone, Chair.

3). Blades of fan, Giant wheel, pendulum clock.

4). Air, pure water, sand

1>meter ------since it is bigger measurement of length than others.
2> falling stone  ----- since other are in rest
3> giant wheel  ------- other are small substances
4> sand --------------- since other are linked to each other water and oxygen.