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Computer MySQL Difficulty: Medium

When a function fun() is to receive an int, a single & a double and it is to return a decimal, then the correct way of defining this C# function is? What is the default replication factor in HDFS? What will be the value of x in the following Python expression? x = int(43.55+2/2) What is the term for data analysis techniques that operate on streaming data in real-time, enabling instant insights? What will be the output of the following C++ code? #include <iostream> using namespace std; #define PI 3.14159 int main () { float r = 2; float circle; circle = 2 * PI * r; cout << circle; return 0; }