A function f from the set of integers is defined as follows- fn - n - 3 if n is odd n2 if n is even-Suppose k is odd fffk - 27- Then the sum of the digits of k is

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Standard XII

Mathematics

Definition of Functions

A function ...

Question

A function $f$ from the set of integers is defined as follows:
$f (n) = {\begin{matrix} n + 3 & if n is odd \frac{n}{2} & if n is even \end{matrix}$
Suppose $k$ is odd $f (f (f (k))) = 27$ . Then the sum of the digits of $k$ is

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Solution

The correct option is B $6$

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A function f from the set of integers is defined as follows:f(n)={n+3if n is oddn2if n is evenSuppose k is odd f(f(f(k)))=27. Then the sum of the digits of k is

The correct option is B 6

A function $f$ from the set of integers is defined as follows:
$f (n) = {\begin{matrix} n + 3 & if n is odd \frac{n}{2} & if n is even \end{matrix}$
Suppose $k$ is odd $f (f (f (k))) = 27$ . Then the sum of the digits of $k$ is

The correct option is B $6$