1
CBSE 12th Mathematics Delhi Set 1 - 2024
MCQ (Single Correct Answer)
+1
-0

A function $f: \mathbb{R} \rightarrow \mathbb{R}$ defined as $f(x)=x^2-4 x+5$ is

A
injective but not surjective
B
surjective but not injective
C
both injective and surjective
D
neither injective nor surjective
2
CBSE 12th Mathematics Delhi Set 1 - 2023
MCQ (Single Correct Answer)
+1
-0

Let $$A=\{3,5\}$$. Then number of reflexive relations of $$A$$ is:

A
2
B
4
C
0
D
8
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