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ravindra

· started a discussion

· 1 Months ago

wrong answer (Question: 186064.0 )

answer is 64%

Question:
In an examination, 19% students fail in Mathematics and 10% students fail in English. If 7% of all students fail in both subjects, then the number of students passed in both subjects is –
Options:
A) 36% of all students
B) 64% of all students
C) 71% of all students
D) 78% of all students
Solution:
Ans: (d) % of students failed either of the two 

subjects = (19 + 10 – 7)% = 22%

% of students whole have passed in both 

subject = (100 – 22)% = 78%

Giriraj

· commented

· 1 Months ago

Yet to be approved!
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