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.

June 20, 2023

16 Views

Question	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.
Type	multiple_choice
Option	61	incorrect
Option	109	incorrect
Option	73	incorrect
Option	91	correct
Solution	Except (d) all other are prime numbers

In the following question, four number pairs are given. In each pair the number on left side of (–) is related to the number of the right