Select the option in which the words share the same relationship as that shared by the given pair of words.
Bank : River :: ? : Sea

Direction: In the following questions, select the related letters from the given alternatives.

Sorrow: Death:: Happiness:? 

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

144 : 225 :: 169 : 256 :: ? : 361

Direction: In the following question, select the related letters from the given alternatives. 

DRIVEN: EIDRVN:: BEGUMF: ?

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

(5, 41, 4)
(2, 68, 8)

Direction: In the following question, select the related letters from the given alternatives.
Cotton : White :: Coal : ?

Direction: In the following question, select the related letters from the given alternatives. 

EHJ : KNP : : SVX : ?

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

16 : 38 :: 26 : 58 :: 37 : ?