Test SeriesFree PYQsExamsPricing

JEE Main Mathematics question

MathematicsPermutations and CombinationsJEE Main

Let and . The number of one-one functions from to is

Answer: (D)

Solution

A one-one function must send the 4 elements of to 4 DIFFERENT elements of . The first element has 6

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-007352