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If a function fun() is to receive an int, a Single & a double and it is to return a decimal then which of the following is the correct way of defining this function?

decimal static fun(int i, Single j, double k) { ... }
decimal fun(int i, Single j, double k) { ... }
static decimal fun(int i, Single j, double k) { ... }
static decimal fun(int i, Single j, double k) decimal { ... }
static fun(int i, Single j, double k) { ... return decimal; }

Correct Answer: static decimal fun(int i, Single j, double k) { ... }

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