Each of the questions from 36 to 45 follows a definite pattern, observe the same and fill in the blanks with suitable ones.
The following table gives the classification of 100 students based on the marks obtained by them in Mathematics and Physics in an examination. Based on this information, answer the questions from 46 to 48.
The number of students scoring less than 80% marks, but more than 60% marks in aggregate is:
Based on the following bar diagram, answer the questions from 49-53.