Two questions A and B were given to 50 Students as class work. 23 of them could answer question A but not B. 15 of them could answer B but not A. If 2x of them could answer none of the two questions and 2 could answer both questions. Represent the information in a venn diagram Find the value of 20
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All Questions › Category: Secondary School › Two questions A and B were given to 50 Students as class work. 23 of them could answer question A but not B. 15 of them could answer B but not A. If 2x of them could answer none of the two questions and 2 could answer both questions. Represent the information in a venn diagram Find the value of 20