Marginal physical product of a variable input

Select the correct mirror image of the given figure when the mirror is placed at MN as shown below.

Select the option figure in which the given figure (X) is embedded as its part (rotation is NOT allowed).

Identify the figure given in the options, which when put in place of ‘?’ will logically complete the series.

In a certain code language, ‘PLAY’ is coded as ‘4831’ and ‘CLAY’ is coded as ‘1824’. What is the code for ‘C’ in that language?

Introducing a man, a woman said, “His wife is the only daughter of my mother”. How is the woman related to the man?

Select the set in which the numbers are related in the same way as are the numbers of the following set.

Select a unique number for each letter in the following table according to which a meaningful word will be formed when the letters are arranged. 

CALANDER is coded in a code as CLANAEDR. Find the code for CIRCULAR under the same rule.