CGPSC Prelims Paper II 2014 Solved Paper

Question : 4 of 100

Marks: +1, -0

Which one set of the following sets of numbers (3, 5,19, 13), (11, 19, 2, 3), (3, 29, 2, 13), (2, 31, 11, 4) is different (if any) from the other sets, in accordance with some rule?