Some equations are solved on the basis of a certain system. Find the correct answer for the unsolved equation on that basis.
2 x 2 = 64, 3 x 1 = 27, 6 x 2 = 1728, 3 x 3 = ?

Which is the next term in the following sequence of letter clusters?
PLaN, OJbP, NHcR, MFdT, LDeV,

Complete the series choosing the missing number:

324, 108, 36, 12, ______

Choose the odd numeral pair/group in each of the following questions:

In each of the following questions, five words are given. Which of them will come in the middle if all of them are arranged alphabetically as in a dictionary?

Direction: Study the information carefully and answer the given questions.
R is father of S. T is mother of W and sister of X. X is mother of S. There are three females in the family. Y is sister of S. 

How is R related to T? 

Find out the odd word/letters/number/number pair from the given alternatives.

Study the given pattern carefully and select the number that can replace the question mark (?) in it.
 First row: 18, 9, 27
 Second row: 40, 36, 140
 Third row: 40, 13, ?
 (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding / subtracting / multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)