In a group of 28 teachers of a school, 15 teach English, 15 teach Math, 14 teach Nepali, and 7 teach English and Math, 6 teach English and Nepali, 5 teach Math and Nepali. Find how many teach all three subjects, how many teach Math only and Nepali only.
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Step-by-step explanation:
15 teaches math
7 teaches 3 subject
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