nepalirohit597 nepalirohit597 24-09-2020 Mathematics contestada HNET THE25233035Oa)25, 18, 22, 24, 28, 30, 35, 40,25, 18, 25,22,25,24,28,30,25,22,18,28,24,35,30,25,40,25,18,22,18,30years for 30 teachers of a school.