In a locality of 800 people, 350 people speak french , 450 people speak german and 25 people speak none of these language . 525 people speak exactly one among the three languages .How many people speak all the three languages
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4
Answer:
275
Step-by-step explanation:
It is given that,
Total people = 800
people speak french, = 350
People speak German, = 450
People speak only 3rd language = 25
Number of people speak only one language = 525
therefore we can write,
number of people speak both french, German = 800 - ( 500) = 275
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