if `a/b=c/d=e/f=k` then find `(ace)/(bdf)`

If a/b=b/c=c/d=d/e=e/f=1/3, then find the value of ((a+b+c+d+e)/(b+c+d+e+f)) :

If a/b=c/d=e/f, then show that (a^(3)b+2c^(2)e-3ae^(2)f)/(b^(4)+2d^(2)f-3bf^(3))=(ace)/(bdf) (wherever defined)

If a/b=c/d=e/f, then show that (a^(3)b+2c^(2)e-3ae^(2)f)/(b^(4)+2d^(2)f-3bf^(3))=(ace)/(bdf) (wherever defined)

If a/b=c/d=e/f, then show that (a^(3)b+2c^(2)e-3ae^(2)f)/(b^(4)+2d^(2)f-3bf^(3))=(ace)/(bdf) (wherever defined)

If a/b=b/c=c/d=d/e=e/f=1/3 , find the value of ((a+b+c+d+e)/(b+c+d+e+f)):

If A={a,b,c,d} and B={c,d,e,f} then find the value of {(A-B)-(B-A)}nn A

The H.C.F. of a/b , c/d , e/f is equal to (a) (LCM of a , c , e)/(HCF of b , d , f) (b) (HCF of a , c , e)/(LCM of b , d , f) (c) (HCF of a , c , e)/(HCF of b , d , f) (d) (a c e)/(b df)

If A = {a,b,c,d}, B = {c,d,e,f} and C= {d,e,f,g} then find AnnB,BnnC and AnnC ,