Using c++ programming

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I just need the correct answer there is no problem if you dont show the working please answer all only answers its okay

Zhej1 Class ID IV Total Mark I. Single Choice Questions (215-3096) or can be used to access the value of a variable based on its add B.% D. .Theoperat A- C.& la C A. All values of the srray gets copied and passed B Only the first element of the array get passed C. Base address of the array actually gets passed 2. D. It is possible to get the size of the arruy within the function 3. cout is used to A. read data from keyboard C. store values Which of the following is a legal C++ assignment statement? B. send data to standard output device D. declare a basic data type , 7-; D.a-int 4. 5. Which of the following symbols starts a comment? A.% If the variable letter has been defined as a char variable, which of the following is not a valid assignment statement? A. letter w; C. letter - "w" What will be stored in a after execution of the following codes? 6. B. letter-w D. letter 65; 7. int a 20, b 3 float c- 25.0; a- cla +b: A. I C. 3 B. 2 D.4 Question Sheet lowing C -expressions corresponds to the algebraic expression C Which of the B. x+2 /pow(z,2), g Which of following A. ifsteam inputfile D. (x12) pow(z,2), B. ifstream inpufile; C. ofstream inputfile the following statements open the file data.txt for reading? inputfile open("data.txe) - open"data.tuty c. ofstream inputfile inputfile openf"data.txt) the sine of an angle, which of the following head files should be included? inputfile open"data.Et"y A sine C. iostream Whst is the B. cmath D. estdlib correct explanation of the following Cot expession:? II. x07y-t0:z-20 ten the condition (xc 0) is true, assigns 10 to y and 20 to z condition (x