Operator '&&' cannot be applied to operand of type 'bool' and 'int'

Question

I have an if elseif statement to check marks and grade the marks according to the condition.

int marks;
string grade;

if (marks>=80 && marks!>         


        

Answer 1

int marks;
string grade;

if ((marks>=80) && !(marks > 100))
{
grade = "A1";
}
else if ((marks>=70) && !(marks > 79))
{
grade = "A2";
}