ANY NUMBER EASILY MULTIPLY BY 50?

N*50?

Rules:-

Rule 1 : N /2
Rule 2: Keep Quotient (Q)
Rule 3: Check Remainder(R)
       if R==0 then add 00 to the end of Q
       if R==1 then add 50 to the end of Q

Example:-

1) 876584 * 50?
     i) 876584/2
    ii) Q=438292
   iii) R==0 then add 00 to end of  Q

Answer is 876584 * 50 = 43829200  

2) 675985 * 50?
      i)675985/2
     ii) Q= 337992
    iii) R==1 then add 50 end of Q
 
Answer is  675985 * 50=  33799250