With the statement, int grade=70; iflgrade=70&&grade=0) printf("Failed "); else printf("Invalid Grade!"); What is the output? Passed. O Invalid Grade! No output Failed ank you. Question 5 The else statement will always be executed when the conditional expression is evaluated false. True O False hank you. Question 6 A switch statement allows a variable to be tested for equality against a list of values. True False Question 7 A switch statement can have an optional default case. O True False