prasamsa71 prasamsa71
  • 13-10-2022
  • Mathematics
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54. 2067 Q No. 7 In a group of students 30 study maths, 24
study physics, 22 study chemistry, 14 study maths only, 8
study physics only, 6 study maths and chemistry, 2 study
maths and physics only and 8 study none. How many
students are in the group? How many study chemistry only?
How many study all three subjects?

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