1. ► Which of the following streams is standard output in C++

2. ► Operator ‘+’ is allowed on C++ string

3. ► ‘>>’ operator is used to write into a stream

4. ► string in C++ is just a char array with NULL termination

5. ► Which of the following classes is input stream in C++

6. ► string comparison is as efficient as number comparison

7. ► Stream operator “>>” cannot be overloaded

8. ► stringstream can be used to insert values of various basic types into a string

9. ► Which of the following classes is output stream in C++

10. ► Which of the following function can be used for locating a subtring