Find the odd one out: 2, 3, 5, 7, 11, 14, 17

Five people P, Q, R, S, T sit in a row. P sits at the left end. Q sits next to P. R does not sit next to Q. S sits between R and T. T does not sit next to Q. Who sits in the middle?

Statements: Some questions are easy. Some easy are solved. All solved are correct. Some correct are verified. Conclusion: Some questions are verified. Is this valid?

Seven students A, B, C, D, E, F, G stand in a line. A is exactly in the middle. B is to the left of A. C is second to the right of A. D is at the right end. E is between B and A. F is not next to G. Who is at the left end?

Which number replaces question mark: 5, 11, 24, 51, ?

Complete analogy: Doctor is to Stethoscope as Painter is to ?