 
			 
              
                
                " Simple Living High Thinking "
                
                   4117 Points
                   Joined November 2009
                
               
			  
			  
             
            
             
	ANS.:- 143547
	Hint : Steps :-
	a.) 7+2+5= -----------  
	    let a=7,b=2,c=5;
	    a*b = 7*2=14
	    a*c=7*5=35
	   Now, we have to add both the above sum = 14+35 = 49
	   After adding we have to subtract the above sum with (b) = 49-2 = 47
	 
	so, the solution is = 143547.