In the following question, by using which mathematical operators will the expression become correct?
15 3_4_20 

In the following question below are given some statements followed by some conclusions. 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 the given conclusion logically follows the given statements. 

Statements: 

All squares are rectangles. 

All rectangles are polygons. 

Conclusion: 

I. Square is not a polygon. 

II. Square is a polygon. 

III. Square is a rectangle and polygon

IV. Polygon is a square. 

Directions: Read the following information carefully and answer the questions given beside.
G is the mother of F, who is the spouse of D. M is the daughter of D, who is the only brother of C. E is the son of G, who is married to H. A is the niece of C, who has no sister. T is the father of D and has no daughter. V is the sister-in-law of F.  G has only two children. M is the granddaughter of O.

How many female members are there in the family?

Direction: Select the odd word from the given alternatives.

(A) Polyester
(B) Cotton
(C) Terylene
(D) Nylon

Direction: Two Statements are given following by four conclusions, I, II, III and IV. You have to consider that Statements to be true, even if they seem to be at variance from commonly known facts. You are to decide which of the given conclusions can definitely be drawn from the given Statements. Indicate your answer.

Statement: 
All branches are flower
All flowers are leaves.
 Conclusion: 
 ( I ) All branches are leaves.
 ( II ) All leaves are branches.
 ( III ) All flowers are branches.
 ( IV ) Some leaves are branches.

In a certain language, MADRAS  is coded as NBESBT, how is BOMBAY coded in that language?

Direction: In the following questions, select the related letters from the given alternatives.

Eye: Wink:: Heart:? 

Select the set in which the numbers are related in the same way as are the numbers of the following set.
(9, 35, 16)