What is the value of  $\beta$  ?

(a)  

 $c\times6=36$  

What is the value of c ?

(a)  

 $\gamma\times6=60$  

What is the value of  $\gamma$   ?

(a)  

 $\rho\times6=54$  

What is the value of  $\rho$   ?

(a)  

 $\kappa\times7=35$  

What is the value of  $\kappa$   ?

(a)  

 $\psi\times7=28$  

What is the value of  $\psi$   ?

(a)  

 $\lambda\times7=42$  

What is the value of  $\lambda$   ?

(a)  

 $\xi\times7=70$  

What is the value of  $\xi$   ?

(a)  

 $\Sigma\times7=56$  

What is the value of  $\Sigma$   ?

(a)