Ram was twelve times as old as his son twenty years ago. Now he is twice as old as his son. What are the present ages of the son and Ram?

In the following question below are given some statements followed by some conclusions based on those statements. Taking the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusion logically follows the given statements.

Statements:
 Some bulbs are switches.
 No switch is a vase.
 All fans are switches.

Conclusions:
 I. Some bulbs being fans is a possibility.
 II. No fan is a vase.
 III. All switches are fans.
 IV. No bulb is a vase.

Study the diagram given below and answer each of the following questions.

How many persons are there who take both tea and coffee but not wine ?

Pointing to a picture, Mahesh says that she is the sister of my son's mother. What is the relation of the person in the photograph to Mahesh?

Direction: Study the following information carefully and answer the questions given below:
Eight persons A, B, C, D, E, F, G and H are sitting around a rectangular table in such a way that four persons sit on each of the four corner of the table and other four persons sit on the middle of each side. The one who sits at the corner of table faces outside the center of table and the one who sits at the middle side of table faces towards the center of table. Persons sitting on opposite sides are exactly opposite to each other.
F sits at one of the middle side of the table. Two persons sit between F and E. Only one person sits between F and C. E does not sit near to C. Either A sits 2nd to the left of H or 2nd right of H. One person sits between A and C. B and G sit opposite to each other. D sits 2nd to the left of B. G doesn’t sit next to F.

How many persons sit between D and F when counted to the right of D?

If "MARBLES" is coded as "PDUEOHV", then how will "GIN" be coded as? 

Find the missing number in the following series:
43, 172, 86, 344, ?

Which of the answer figures is formed from the shapes given the problem figure?