In a class consisting of 100 students 20 know English and 20 do not know Hindi and 10 know neither English nor Hindi. The number of students knowing both Hindi and English is
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I think so your question answer is 50 student
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2
Answer:
10
Step-by-step explanation:
No. of students know english only = 20-x
No. of students know hindi only = 80-x
No. of students know english and hindi both = x
Now, 20-x + 80-x + x = 100 - 10
Therefore, x = 10
So the number of students know both english and hindi are 10
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