In a certain examination, 52 candidates offered Biology, 60 candidates offered History and 96 offered Mathemathics, if 21 candidates offered biology and History, 22 candidates offered Biology and mathematics, 16 candidates offered History and methematics, 17 candidates offered all the three subjects. Draw a venn diagram. 1. how many candidates sat for the examination, 2. How many candidates offered onlybone subject 3. how many candidates offered two subjects?
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Asked by Muhammedjjr on 21st February, 2020
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