Which letter set will come in place of question mark (?) in the following series?
LOK, PQP, VSV, DUC, ?

Pointing to a woman in a photograph a man says " she is the only daughter of my wife's mother - in - laws" How is the woman related to the man?

Direction: In each of the following questions, four words have been given, out of which three are alike in some manner and the fourth one is different. Choose out the odd one.

Brick : Mason :: Colour : ? 

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

If Mohan watch the rising sun behind the temple and the setting sun behind the railway station from his house, what is the direction of the temple from the railway station? 

If P means -, Q means +, R means x and  S means ÷ then what is the value of  8 R6S3Q5P9 

Which of the following interchange of signs would make the given equation correct?
6000 + 400 x 300 - 900 ÷ 300 = 3900