In a school exam, the ratio of passing and failing students is 6:1. If 6 more students passed then the ratio would be 9:1. Find the total number of examinees.

Among 132 examines of a certain school , the ratio of successful and unsuccessful students is 9:2 .Had 4 more students passed , then the ratio of successful to unsuccessful students will be :

in an examination 72% of the total examinees passed if the number of failures is 392 find the total number of examinees

In an examination 65% of the total examinees passed.If the total number of failures is 420, find the total number of examinees.

In an examination, the number of those who passed and the number of those who failed were in the ratio 4: 1. If 35 less had appeared and the number of failures were 9 more than earlier, the ratio of students who passed to the number of students who failed would have been 2 : 1. Find the total number who appeared at the examination.

In an examination, the ratio of passes to failures was 4: 1. Had 30 less appeared and 20 less passed, the ratio of passes to failures would have been 5: 1. Find the number of students who appeared for the examination.

Of 132 examinees of a certain school,the ratio of successful to unsuccessful candidates is 9: 2.If 4 more students passed,what would have been the ratio of successful to unsuccessful students? 25:4 b.4:25 c.228:5 d.3:28

The ratio of the number of students in schools X and Y is 4:7. if 15 students from Y join X, then the ratio becomes 1:1. What is the total number of students in the schools X and Y?

In an examination, the number of those who passed and the number of those who failed were in the ratio 25 : 4. If 5 more had appeared and the number of failures were 2 less than earlier, the ratio of students who passed to the number of students who failed would have been 22 : 3. Find the total number who appeared at the examination.