Please Solve this
in a class 70% students can speak english, 65% can speak hindi and 27% can speak neither english nor hindi. If 124 students can speak both the languages then find the no. of students who can only speak hindi..
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Answers
Answer:
189 students can speak hindi
Given : in a class 70% students can speak english, 65% can speak hindi and 27% can speak neither english nor hindi.
124 students can speak both the languages
To Find : the no. of students who can only speak hindi.
Solution:
Total = n(E) + n( H) - n ( H ∩ E ) + Neither
=> 100 % = 70 % + 65 % - n ( H ∩ E ) + 27 %
=> n ( H ∩ E ) = 62 %
n ( H ∩ E ) = 62 % = 124
=> Total students = 200
no. of students who can only speak hindi.. = n(H) - n ( H ∩ E )
= 65 % - 62 % = 3 %
3 % = 6
Hence no. of students who can only speak hindi.. = 6
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