defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Sets Set Theory and types of Sets
In every (n + 1) - - elementic subset of the set (1, 2, 3, .......2n) which of the following is correct:
1
There exist at least two natural numbers which are prime to each other
2
exist at least three natural number which are prime to each other
3
There exist no consecutive natural number
4
There exist more than two natural numbers which are prime to each other