11.P,Q,R,S,T,U are 6 members of a family in which there are two married couples.T,a teacher is married to a doctor who is mother of R and U.Q,the lawyer is married to P.P has one son and one grandson.Of the two married ladies one is a housewife.There is also one student and one male engineer in the family.Which of the following is true about the granddaughter of the family?

12.In the question given below,the symbols used are as: ∆=equal to ⊗ = not equal to +=greater than ⊘ = less than -=not less than O = not greater than Read the question mark the correct response.If X-Y-Z then it does not

13.Which single letter can be prefixed to the following words in order to obtain entirely new words? EAT OUR IS AS AT

14.In a certain code language '481' means 'sky' is blue','246' means 'sea is deep' and '698' means 'sea looks blue'.what number is the code for 'blue'?

15.Some equations are solved on the basis of a certain system.On the same basis find out the correct answer for the unsolved equation. 4-5-1=514,3-5-6=563 0-6-8=?