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Mathematics - Permutation & Combination Question with Solution | TestHub

MathematicsPermutation & CombinationFundamental PrincipleMedium2 minQB

MathematicsMediumsingle choice

The number of functions $f$ from the set $A = {0, 1, 2}$ into the set $B = {0, 1, 2, 3, 4, 5, 6, 7}$ such that $f (i) \leq f (j)$ for $i < j$ and $i, j \in A$ is

Options:

Answer:

Solution:

A function $f : A \to B$ such that $f^{'} (0) \leq f (1) \leq f (2)$ falls in one of the following 4 cases

Stream:JEESubject:MathematicsTopic:Permutation & CombinationSubtopic:Fundamental Principle

⏱ 2mℹ️ Source: QB

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