Question

a/3=b\4=c/7,the a+b+c/c=

Answer 1

a3=b4=c7a3=b4=c7

So, 

=>a3=c7=>a3=c7 

=>ac=37=>ac=37 ..... (1)

Also, 

=>b4=c7=>b4=c7

=> bc=47bc=47

Now, a+b+cc=ac+bc+cca+b+cc=ac+bc+cc

=> ac+bc+1ac+bc+1 

From (1) and (2)

=>37+47+1=3+4+77=>37+47+1=3+4+77

=> 147=2