In Questions 1 to 18, there are four options, out of which only one is correct. Write the correct answer.
In Questions 19 to 48, fill in the blanks to make the statements true.
In Questions 49 to 55, state whether the statements are True or False.
In Question 56, match each of the entries in Column I with the appropriate entries in Column II.
In Questions 57 to 67, express each of the given statements as an equation.
In Questions 68 to 100, solve each problem and provide the reasoning as required.