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#1 2017-12-12 09:13:14

shakeel123
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In an examination, 1100 boys and 900 girls appeared. 50% of the b...

General Basic Math Exams Quizzes MCQs Quizzes Percentage Math Quiz

Question:
In an examination, 1100 boys and 900 girls appeared. 50% of the boys and 40% of the girls passed the examination. The percentage of candidates failed is:

Option A):
59.2
Option B):
45
Option C):
45.5
Option D):
54.5

Correct Answer is Option D):
54.5

Explanation:
Solution:
Number of failures = (50% of 1100 + 60% of 900)
= (50/100 x 1100 + 60/100 x 900) = 1090
Required percentage = (1090/2000 x 100)% = 54.5%


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2017-12-12 09:13:14

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