$if\ n\left(x^2\right)=9\ \ ,\ n\left(x\times y\right)=6\ ,\ then\ n\left(y^2\right)=.........$  

 $If\ X\ =\ \left\{\ 1\ ,\ 2\ \right\}\ ,\ then\ n\left(X\times\phi\right)\ =\ ........$  

 $For\ any\ two\ aute\ angles\ A\ and\ B\ ,\ if\ m\left(\angle A\right)+m\left(\angle B\right)\ =\ 90\degree\ ,\ then\ ..........$  

 $If\ \left(\ 4\ ,\ a\ \right)\ \in\ the\ set\ of\ the\ function\ f\ where\ f\left(x\right)=x+1\ ,\ then\ a=\ ........$  

 $If\ \Delta\ ABC\ is\ a\ right\ angled\ triangle\ at\ B\ and\ CosA\ =\ 0.6\ ,\ then\ \sin A=\ ......\$  

 $If\ X\times Y\ =\ \left\{\ \left(\ 2\ ,\ 3\ \right)\ ,\ \left(\ 2\ ,\ 4\ \right)\ ,\ \left(\ 2\ ,\ 5\ \right)\ \right\}\ ,\ then\ n\left(x^2\right)=........$  

 $If\ \Delta\ ABC\ is\ a\ right\ angled\ triangle\ at\ B\ ,\ \sin C=\frac{3}{5}and\ AB\ =6cm\ \ then\ AC=..........cm$  

 $The\ function\ f\ :\ f\left(x\right)\ =\ x^3-\left(x^3+7\right)\ is\ a\ polynomial\ function\ of\ the\ ......\ DEGREE$  

 $If\ \left(\ b+3\ ,\ 5\ \right)\ lies\ on\ y\ axis\ ,\ then\ b=\ ..........$  

 $If\ \sin x\ =\ \frac{\sqrt{3}}{2}\ where\ x\ is\ the\ measure\ of\ an\ acute\ angle\ ,\ then\ x\ =\ ........$