GCD or HCF of the given numbers is 50.
So, scale : 1 symbol : 50 votes
To represent 400 votes, 400/50 = 8 symbols of Sun.
To represent 550 votes, 550/50 = 11 symbols of Pot.
To represent 350 votes, 350/50 = 7 symbols of Tree.
To represent 200 votes, 200/50 = 4 symbols of Watch
i) Watch symbol got least votes than the other.
ii) Among all symbols pot symbol got more votes that is 550. So, Pot symbol candidate won in the election.