Write any decimal number which is greater than $1$ and less than $2$.

Write the decimal numbers represented by the points $P\mathit{,}Q\mathit{,}R$ and $S$ on the given number line.

Represent $1.7$ on the number line.

Represent $0.3$ on the number line.

Represent $2.1$ on the number line.

Between which two whole numbers does $3.3$ lie?

Between which two whole numbers does $2.5$ lie?

Between which two whole numbers does $0.9$ lie?

Find the greater number among $2.3$ and $3.2$.