The given pie charts shows the percentage distribution of number of students present in class I to IV in school A.

The given pie charts shows the percentage distribution of number of students absent in class I to IV in school B.

Note – Number of students present in school A in class IIII is 200. Number of students present in school A in class IV is 40% less than the number same of class III of same school. Total number of students in each class of both school is same. Total number of absent students in each school is same. Total number of students in school A is 1000. Number of students absent in school B in class I is 2 less than the number of students absent in class III of same school. Number of students absent in school A in class I, II and III is [x + 11], 64 and [2z] respectively.