Math, asked by bdaksheshbijawar735, 3 months ago

In a school there are 20 teachers who teach mathematics or physics. Of these, 12 teach mathematics and 4 teach both physics and mathematics. How many teach (i) physics ?

Answers

Answered by Soumabho

Answer:

8 Teachers teach Mathematics

Answered by Anonymous

Answer:

Number of teachers who teach math or physics = n(M∪ P) = 20 Number of teachers who teach math = n(M) = 12 Number of teachers who teach math and physics

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In a school there are 20 teachers who teach mathematics or physics. Of these, 12 teach mathematics and 4 teach both physics and mathematics. How many teach (i) physics ? ​

Answers

In a school there are 20 teachers who teach mathematics or physics. Of these, 12 teach mathematics and 4 teach both physics and mathematics. How many teach (i) physics ?