Select the odd word/letters/number/number pair from the given alternatives.

Option  

If the positions of the first and last letters of the word MYTHOLOGICAL are interchanged; similarly the positions of the second and second last letters are interchanged and so on, then which of the following letters will be 8th from the left end after arrangement?

4, 10, 40, 190, 940, ? , 23440

From the given alternative words, select the one which cann’t be formed using the letters of the given words.
BRITTANICA

Which of the following interchanges in signs and numbers will make the given equation correct?

8 x 9 + 2 = 74

Select the number from among the given options that can replace the question mark (?) in the following series.
 34, 102, 612, 5508, ? 

Study the given pattern carefully and select the number that can replace the question mark (?) in it.
 First row- 9, 21, 124
 Second row- 11, 25, 148
 Third row- 17, ?, 220
 (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 /deleting /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)

Select the option that is related to the third term in the same way as the second term is related to the first term and the sixth term is related to the fifth term.
 14 : 21 :: 34 : ? :: 47 : 87