"If a person is highly educated, then he earns well." Then which of the following options is necessarily correct?

Exclusive Proposition: Which is the correct option? If a person is rich, he has lot of influence.

If A > B, B > C and C > D, then which of the following conclusions is definitely wrong?

If water is called food, food is called tree, tree is called sky, sky is called wall, then on which of the following grows a fruit?

Which of the following is the odd one out?

If in English alphabet, A = 1, D = 2, P = 4, then which of the following denotes 3?