in an interview for a BPO, 400 candidates appeared out of which 2 were post graduates, 180 have prior experiance and 160 can speak english, 100 out of them were post graduates with prior 17 have prior experiance can speak english 80 are post graduates and can speak english and 60 are post graduates with prior experiance can speak english how many candidates had none of these 3?
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plz add brainlist to my answer
If each one speak only one of the two languages, then the total number of people is 115, which means that 15 people speak both languages.
75+40 - 100 = 15 people <==Answer
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Attn: Drawing a Venn diagram can help you. From the Venn diagram, you can get
A∪B = A+B-A∩B
So, A∩B = A+B - A∪B
If each one speak only one of the two languages, then the total number of people is 115, which means that 15 people speak both languages.
75+40 - 100 = 15 people <==Answer
-------
Attn: Drawing a Venn diagram can help you. From the Venn diagram, you can get
A∪B = A+B-A∩B
So, A∩B = A+B - A∪B
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