Saline soils could be improved

Odd one out

Find the odd one out.

Select the one which is different from other three alternatives.

Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the number-pair that is different.

In the following question, select the odd pair of numbers from the given alternatives.

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

Odd one out

Three of the following four letter-clusters are alike in a certain way and one is different. Pick the odd one out.

Find the odd one out from the following options. 

Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the number-pair that is different.