Find the missing number?
2.2, 14.8, 40, 90.4, ? 

In the following figure, square represents doctors, triangle represents artists, circle represents weight-lifters and rectangle represents Russians. Which set of letters represents Russians who are not doctors?

Direction: Read the following information and answer the questions given below it:
Six students A, B, C, D, E and F are sitting in the field. A and B are from Nehru House while the rest belong to Gandhi House. D and F are tall while the others are short. A, C and D are wearing glasses while the others are not.

Which two students, who are not wearing glasses, are short?

Pointing to a photograph a woman says “ He is the only son of the daughter of my mother-in-law’s only son. How is the man related to woman?

Directions: Read the following information carefully and answer the questions given below it.
 i) A, B, C, D, E and F-six friends are sitting in a circle facing the center.
 ii) E is to the immediate left of D.
 iii) C is sitting between A and B.
 iv) F is sitting between E and A.

Who is to the immediate right of C? 

If ’’624739854’’ 1 is added to all the even number and 1 is subtract from all the odd number, then what is the sum of the digits which is fifth from the left end and fourth from the right end?

What will come in place of question mark(?) in the following number series?

a__bc__c___abb___bca___

Raju walked 2 km in the North – West. Then he turned 90 clockwise and walked 2 km. Then he turned 90 clockwise and walked 2 km. In which direction he would be from the starting point?