Home Maths Set Theory and Relations JEE Main 2025 Consider the sets and . The total number…
Maths Set Theory and Relations JEE Main 2025 Single Correct MCQ
Published on: August 13, 2026

Consider the sets

and . The total number of one-one functions from the set D to the set C is:

A
15120
B
18290
C
17160
D
19320

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Text Solution

Verified by Experts
The correct answer is:
C

Plug in into either equation to find x.

Now,
Valid points are

Total valid points in
There are 4 distinct real points in set
The number of one-one functions from D to C

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