Please doing sum immediately

Total age of 10 students=10*20=200
Total age of 2 new students = 2X

(Assuming the average age of 2 students be X.)

Hence the equation=200+2X=12*22= 264
solving the equation we get x=32
So, average age of the new students = 32

if x is inversely related with square of y for x =1 & y=2 then find the value of x when y=6 :

a).3                                                                                                                                                                  b).9

c).1/3                                                                                                                                                                d).1/9