Select the picture that does not belong to the group

Consider the given question and decide which of the following statements is sufficient to answer the question.
What is the value of 14$20*8#4?
Statements:

1. $ implies $$-$$, * implies $$+$$, # implies $$\div$$
2. 14$20*8 = 25

Consider the given question and decide which of the following statements is sufficient to answer the question.
What are the values of p, q and r?
Statements:
1. $$(p + q)^2$$ =16
2. $$p - q = 4 ; r = 2p$$

Consider the given argument and decide which of the given assumptions is (are) implicit.
Argument:
During an election, the opposition party said, “look at the price rise in the last five years”.
Assumptions:
1. This time, give a chance to our party for power.
2. Prices will still rise if you choose the same party to be in power

Find the similarity in the following:
Ginger, Turnip, Carrot, Radish