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Functions and Subroutines - Programming

Q1:

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?

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

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

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

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

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

ANS:C - 

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

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