1 Answers

Option 3 : 28

Given:

Number of school teachers = 96

High school teachers = 3/8th

Mathematics teachers = 2/9th of high school teachers

Calculation:      

Number of high school teachers = 3/8 of 96 = 36

⇒ Mathematics teacher = 2/9 of 36 = 8

⇒ Non mathematics teacher = 36 - 8 = 28

∴ The number of High school teachers who don't teach Mathematics are 28

The correct option is 3 i.e. 28

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