If P is the brother of the son of Q's son, how is P related to Q?

If x means -, / stands for +, + stands for /, and - stands for x, which of the following gives 125 - 50 / 10 + 20 x 4 ?

Yaman sold an item at a loss of 10%. If he had sold it for Rs.57 more, he would have made a profit of 20%. What should be the selling price of the item to make a profit of 30%?

An object of 5.0 kg is raised through a height of 2.0m. The work done in the process is

Find the person who does not belongs to the group.

Which of the following statement is sufficient to answer the question ?

Find the value of x.

Statements :

I. Sum of squares of positive consecutive even numbers is 52

II. Difference of the number is 2.

Which part of the human reproductive system helps the embryo get its nutrition from the mother's blood?

Which of the following statement is sufficient to answer the question?

Find the age of the mother from the given statements.

Statements :

I. Mother's age is 10 years more than her son

II. Sons age is 24 years more than daughter