In questions 1 to 17, only one of the four options is correct. Write the correct one.
In questions 18 to 39, state whether the given statements are true (T) or false (F).
In questions 40 to 49, fill in the blanks to make the statements true:
In questions 50 to 58, fill in the blanks using <, = or > :
Questions 59 to 83 with detailed solutions and explanations.