Choose the odd numeral pair/group in each of the following questions:

Choose the odd numeral pair/group in each of the following questions:

Which among the following is different from other three?

Select the option in which the numbers share the same relationship as that shared by the given pair of numbers.
72-14

Four letter-cluster have been given out of which three are alike some manner, while one is different. Choose the odd one.

Four pairs of letters -cluster have been given out of which three are alike in some manner, while one is different. Choose the odd one.

Four words have been given out of which three are alike in some manner, while one is different. Choose the odd one.

Four pairs of numbers have been given, out of which three are alike in some manner, while one is different. Choose out the odd one.