In an examination for the final year students of a school,60 offer History,50 offer economics and 48,literature.30 offer History and Economics,16 offe

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In an examination for the final year students of a school,60 offer History,50 offer economics and 48,literature.30 offer History and Economics,16 offer History and literature,22 offer Economics and Literature. If 10 candidates offere all the three subjects,
a) find
i. The no that offered only History
ii. The no that offer only Economics
iii. The no that offer only Literature
b) How many candidates sat for the examination,assuming that each candidate sat for atleast one subject?


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