Teaching Haryana (HPSC) Assistant Professor Mock Test 2025 Engineering Mathematics Set Theory & Algebra Relations
Which of the following is true?
I. F(x)= x2 where F: N → N
II F(x)= x+1 where F: Z→Z
Where Z = integers, N=Natural numbers,
1
Both are Injective and surjective
2
I is Injective and II surjective
3
I is surjective and II is not Injective
4
Both are not injective and surjective
5
Question Not Attempted