Find the number of triangles in the given figure

Select the Venn Diagram that best represents the relationship between the following classes.
Male, Doctors, singers

From the given alternative words, select the word which cannot be formed using the letters of the given word:
MERCHANDISE

In a certain code, REFRIGERATOR is coded as ROTAREGIRFER. Which word would be coded as NOITINUMMA? 

In a class of 54 students, 24 drink milk, 28 drink tea and 8 drink none. Find how many drink both milk and tea?

Directions: In the following question four words have been given, out of which three are alike in some manner and the for one is different. Choose out the odd one.

Select the appropriate options for the following questions:

FILM:  ADGH :: MILK:?

Direction:- A solid cubes two adjacent sides are coloured with Red colour and Just opposite of these sides are coloured with black colour and rest of the sides are coloured with green colour. After that this is changed into 64 small cubes.
How many such cubes are there of which one or two sides are coloured but not three sides are coloured ?