Verbal Reasoning - Mental Ability Questions

A family consists of six members P, Q, R, X, Y and Z. Q is the son of R but R is not mother of Q. P and R are a married couple. Y is the brother of R. X is the daughter of P. Z is the brother of P. Who is the father of Q ?

The value of -4-(-10) is how much greater then the value of -10-(-4) ?

In a group of buffaloes and ducks the number of legs are 24 more than twice the number of heads. What is the number of buffaloes in the group ? 

What is the distance around a shape called?

Which of the following statement(s) is/are TRUE?

$$\begin{gathered} I. 333 > 333 \\ II. 333 > (33)3 \end{gathered}$$

Ravi's house is to the west of Ankit's house. Lavi's house is to the north of Ankit's house. In which direction is Lavi's house with respect to Ravi's house?

Select the option that gives the number missing from the following figure.

If 'A + B' means 'A is father of B', 'A – B' means 'A is mother of B', 'A * B' means 'A is brother of B' and 'A % B' means 'A is sister of B', then how is Q related toS in 'P + Q * R – S'?