In an election between two  candidates 10% voters doesn’t cast their votes and 85 votes were de

Explanation:
Lets take total votes =100%            10%doesn’t cast their votes   So, (100-90) = 90% cast their votes.                       total valid votes = 90% -85 one candidate get 50% of votes of voters list.                 So, other candidate get = (90% - 85 )-50%= 40% - 85             so ,50 % - (40% - 85) = 165      50% - 40% + 85 = 165        10% = 80                           100 % = 800                      So total voters is 800