The dimension of the dance stage are $10 \mathrm{m}$ by $6 \mathrm{m}$ and it is rectangular in shape. The stage is divided into $15$ squares of equal size as shown in the figure. 

What is the area of the rectangular stage?

The dimension of the dance stage are $10 \mathrm{m}$ by $6 \mathrm{m}$ and it is rectangular in shape. The stage is divided into $15$ squares of equal size as shown in the figure. Out of these $15$ squares, $9$ squares will be occupied by $9$ student dancers. They will remain in their respective square while performing their folk dance.

How much stage area does each dancer use to perform?

The dimension of the dance stage are $10 \mathrm{m}$ by $6 \mathrm{m}$ and it is rectangular in shape. The stage is divided into $15$ squares of equal size as shown in the figure. Out of these $15$ squares, $9$ squares will be occupied by $9$ student dancers. They will remain in their respective square while performing their folk dance.

If at a point of time, a student uses a circular area in her assigned square as shown in the adjoining figure, then find:

the circular area occupied by the dancer.

The dimension of the dance stage are $10 \mathrm{m}$ by $6 \mathrm{m}$ and it is rectangular in shape. The stage is divided into $15$ squares of equal size as shown in the figure. Out of these $15$ squares, $9$ squares will be occupied by $9$ student dancers. They will remain in their respective square while performing their folk dance.

If at a point of time, a student uses a circular area in her assigned square as shown in the adjoining figure, then find:

The area left on $4$ corners by the dancer in her square.

If the shadow of students formed by a focus light on stage is $\frac{2}{3}$rd of the height of the students, then find the:

Height of a girl whose shadow is $1 \mathrm{m}$ long.

If the shadow of students formed by a focus light on stage is $\frac{2}{3}$rd of the height of the students, then find the:

Length of shadow of a girl whose height is $1.89$ metres.

If the shadow of students formed by a focus light on stage is $\frac{2}{3}$rd of the height of the students, then find the:

Height of a girl whose shadow is $0.56 \mathrm{m}$ short of her height.

Costumes for the dance performance were hired from a fancy dress shop at $₹1000$ per dress which includes security deposit of $₹600$ per costume to be refunded at the time of returning the costumes.

How much money was paid for hiring $9$ costumes (excluding refund amount)?