Verbal Reasoning - Mental Ability Questions

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

16 ÷ 4 x 8 - 10 + 14 = 12

In the following question, select the related letter/letters from the given alternatives.

KPV : LQW : : BOY : ?

Select the related word/letters/numbers from the given alternatives:

Summer : Aestivation :: Winter : ?

If S means '+', L means 'x', U means '/' and K means '-', then the value of

21 S 1 U 7 L 15 U 6 L 14 K 55

If 20&60 = 8, 40&80 = 12 and 10&20 = 3, then find the value of 20&50 = ?

From the given alternatives, according to dictionary, which word will come at LAST position?

1. Jailor

2. Javelin

3. Jam

4. Jagged

5. Jacket

There is a family of six persons A, B, C, D, E and F. They are Lawyer, Doctor, Teacher, Salesman, Engineer and Accountant There are two married couples in the family. D, the Salesman is married to the Lady Teacher. The Doctor is married to the Lawyer. F, the Accountant is the son of B and brother of E. C, the Lawyer is the daughter-in-law of A. E is the unmarried Engineer. A is the grandmother of F. How is E related to F? 

Select the related word from the alternatives.

Nation : History :: Man : _____?