in a school there are 12 teachers who teach mathematics or physics or of this 8 teach mathematics 4 teach both mathematics and physics. how many teach in physics and physics only and maths only??
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in a school there are 12 teachers who teach mathematics or physics or of this 8 teach mathematics 4 teach both mathematics and physics. how many teach in physics and physics only and maths only??
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PHYSICS =8
MATHS ONLY=4
PHYSICS ONLY = 4