The addition 742586 + 829430 = 1212016 is incorrect. It can be corrected by changing
one digit d, wherever it occurs, to another digit e. Find sum of d and e.  Pick one
A) 1316016  B) 1416016  C) 1516016  D) 1616016  E) 1716016
let's choose 8=2+6. So,   Consider d=2 and e=6   Therefore, changing every occurrence of 2 with 6 in the whole statement(i.e both R.H.S and L.H.S), we get    746586+869430= 
<gadget id="calculator"> 746586+869430</gadget>
<output>1_616_016</output>
1616016   ANSWER:1616016
<result>D</result>
The addition 742586 + 829430 = 1212016 is incorrect. It can be corrected by changing
one digit d, wherever it occurs, to another digit e. Find sum of d and e.