Practicing Success

Target Exam

CUET

Subject

-- Mathematics - Section B1

Chapter

Applications of Derivatives

Question:

If set A has 5 elements and set B has 7 elements than number of one-one and onto mapping from A to B is :

Options:

2

0

1

3

Correct Answer:

0

Explanation:

The correct answer is Option (2) → 0

$n(A)=5,n(B)=7$

for mapping to be one one as well as onto

$n(A)=n(B)$

⇒ No mapping exist for this condition