## Comments for Quantitative Aptitude Test Question 11

Average Rating

 Rating answer for 11 by: Anonymous total number of students appeared should be 150... if we consider in x and y variables, let total appeared be x, total passed be y, then totla fail wud be x-y ratio of y to x-y is 4:1, then y=4/5x; now if 30 less appeared, and 20 less passed, then ratio of pass to fail will be y-20/(x-y-10)=5:1 substituting value of y, we get x= 150.

 Rating the answer is...... by: Anonymous consider the total no.of passed and failed students as 4x,x respectively since the ratio is 4:1. the total no. of students appeared is,4x+x=5x. if 30 less appeared and 20 less passed,and the ratio is 5:1,then, 5x-30/4x-20=5:1. we get x=2.67 and 5x=13.35 and approx.13 appeared for the exam.

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