Comprehension Passage
Number of female teachers in school A is four more than the number male teacher in school A. Ratio of number of male and female teacher in school B is 10:13. Ratio of number of male teachers in school A and B is 4:5. Number of male teacher in B is two less than the number of female teacher in school C. Number of male teacher in school C is four more than the number of female teacher in school A. Difference between number of male teacher in school A and B is 10.
Average age of male teachers of school A is 48 years old and average age of female teachers of school A is 34 years old. Find the average age of all the teacher in school A?
1
42.66
2
45.33
3
40.66
4
41.33
5
44.78