1100 boys and 700 girls are examined in a test; 42% of the boys and 30% of the girls pass. The percentage of the total who failed is
(a)
58%
(b)
62
(c)
64%
(d)
78%
1100 boys and 700 girls are examined in a test; 42% of the boys and 30% of the girls pass. The percentage of the total who failed is
(a)
58%
(b)
62
(c)
64%
(d)
78%
Question ID - 56898 | SaraNextGen Top Answer
1100 boys and 700 girls are examined in a test; 42% of the boys and 30% of the girls pass. The percentage of the total who failed is
(a)
58%
(b)
62
(c)
64%
(d)
78%
|
1100 boys and 700 girls are examined in a test; 42% of the boys and 30% of the girls pass. The percentage of the total who failed is |
|
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|
(a) |
58% |
(b) |
62 |
(c) |
64% |
(d) |
78% |
|
1 Answer
127 votes
Answer Key / Explanation : (b) -
Total number of students = 1100 + 700 = 1800.
Number of students passed = 42% of 1100 + 30% of 700 = 672.
Number of failures = 
Percentage failure = 
62
%.
127 votes
Answer Link
127