In a competitive exam the number of passed students was four times the number of failed students If ...........

Quantitative Aptitude ( CCS) Ratio, Proportion

In a competitive exam, the number of passed students was four times the number of failed students. If there had been 35 fewer appeared students and 9 more had failed, the ratio of passed and failed students would have been 2 : 1, then the total number of students appeared for the exam ?

170

165

180

155

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Explanation:

Let the number of failed students be x
Number of passed students = 4x
So total number of students was 5x
From the given data
If total number of students be 5x – 35
(5x-35)/x+9=3/1
x = 31
Total number = 31×5 = 155

Hence, option 4 is the correct answer.