Study the following Table carefully and answer the questions that follow.
Note: Teacher Pupil Ratio = ‘n’ implies that there is 1 teacher for every ‘n’ students on an average;
Q16. In 2010-11, 80% of the students graduated to High School from Upper Primary School. The number of teachers that is to be added, in percentage terms, to the High Schools in order to keep the Teacher Pupil Ratio same as that of Upper Primary School is?