Railway construction in India began in:

Select the related number from the given alternatives:

12 : 39 :: ? : 57

What does "ZK" stands for?

Select the related number from the given alternatives.

82: 160 :: 36: ?

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

24 : 125 :: 36 : ?

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

Four number-pairs are given, out of which three are alike in a certain manner and one is different. Choose the different number pair.

“Cristiano Ronaldo” is related to “Football” in the same way “Lewis Hamilton” is related to _____.

Given set:  [20, 82, 31]