Select the option that is related to the fifth term in the same way as the second term is related to the first term and the fourth term is related to the third term.
 NUMBER : UNNYRE :: MOTHER : OMGSRE :: FINGER : ? 

Which of the following numbers will replace the question mark (?) in the given series?
 19, 38, 35, ?, 135, 810

If A denotes ‘+’, B denotes ‘×’, C denotes ‘−’ and D denotes ‘÷’, then what will come in place of ‘?’ in the following equation?
 (13 B 9) D 3 A (14 D 7) B 6 C 21 A (32 B 2) = ? 

The second number in the given number pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) are followed in all the number pairs except one. Find that odd number pair. 

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.
 16 : 69 :: 24 : ? :: 31 : 144 

Study the given pattern carefully and select the number that can replace the question mark (?) in it.
 First row- 3, 43, 4
 Second row- 6, 241, 5
 Third row- 2, ?, 11
 (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) 

Which letter cluster will replace the question mark (?) to complete the given series?
 WFBI, UCWB, SZRU, ?

Which of the f ollowing numbers will replace the question mark (?) in the given series?
 15, 27, 12, ?, 9, 33