Identify the diagram that best represents the relationship among the given classes.
Country, State, City

Three positions of a cube are shown in the figure. What will come on the face opposite to N?

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 of the given conclusion logically follows the given statements.

Statements:
I. All stars twinkle.
II. All satellites twinkle.

Conclusions:
I. Some stars are satellites.
II. Some stars twinkle.

How many triangles are there in the given figure?

Find the missing number?

If 19 $ 7 = 312 and 23 $ 9 = 448, then 31 $ 11 = ?

In the following question, by using which mathematical operators will the expression become correct?
15 _ 3 _ 4 _ 20

In a certain code language, "PUNISHED" is written as "288" and "TAILOR" is written as "225". How is "RELEASED" written in that code language?