Who among the following replaced Morarji Desai as the

Select the option that is related to the third number in the same way as the second number is related to the first number.

55 : 3136 :: 48 : ?

6 : 222:: 7 : ?

Select the option that is related to the third term in the same way as the second term is related to the first term.

ORGANS : SNTZRO : : PARROT : ?

Four letter-clusters are given out of which three are alike in some manner and one is different. Select the odd-one out

Select the number combination of letters that when placed sequentially in the blanks of the given series will complete the series.

GIK : KMO :: PRT : ?

GTSN : 7201914 :: UNEP : ?

If 66 @ 26 = 15' and 44 @ 6 = 12', then 56 @ 12 = ?'. What will come in place of question mark? 

Select the option that is NOT like the given set.

(8, 40, 56)