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 I `58 %` b. `64 %` c. `62 2/3%` d. `78 %`

1200 boys and 600 girls are examined in a test. 42% of the boys and 30% of the girls passed. Find the percentage of those who failed.

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 who failed is

The boys and girls in a college are in the ratio 3:2. If 20% of the boys and 25% of the girls are adults,the percentage of students who are not adults is 58% b.67.5% c.78% d.82.5%

In an examination, there were 1000 boys and 800 girls. 60% of the boys and 50% of the girls passed. Find the per cent of candidates failed.

In an examination ,there were 1000 boys and 800 girls.60% if the boys and 50% of the girls passed.Find the percent of the candidates failed?