SOLUTION: In a certain examination, candidates offered Biology, History Mathematics, offered both Biology and History, Mathematics and Biology, Mathematics and History. If candidates
Algebra ->
sets and operations
-> SOLUTION: In a certain examination, candidates offered Biology, History Mathematics, offered both Biology and History, Mathematics and Biology, Mathematics and History. If candidates
Log On
Question 1193271: In a certain examination, candidates offered Biology, History Mathematics, offered both Biology and History, Mathematics and Biology, Mathematics and History. If candidates offered all three subjects. (a) . How many candidates were there for the examination? (b) ) How many candidates offered ONE subject only? (c) How many candidate offered TWO subjects only? (d) How many candidates offered at least TWO subjects? Answer by ikleyn(52794) (Show Source):
