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Last updated at Sept. 21, 2018 by Teachoo
Ex 12.1, 9 There are 102 teachers in a school of 3300 students. Find the ratio of the number of teachers to the number of students.Number of teachers = 102 Number of students = 3300 Ratio = (ππ’ππππ ππ π‘πππβπππ )/(ππ’ππππ ππ π π‘π’ππππ‘π ) = 102/3300 = 51/1650 = 17/550 β΄ Required ratio is 17 : 550