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The ratio of male to female students in a college for five years is plotted in the following line graph. If the number of female students in 2011 and 2012 is equal, what is the ratio of male students in 2012 to male students in 2011?

The ratio of male to female students in a college for five years is plotted in the following line graph. If the number of female students in 2011 and 2012 is equal, what is the ratio of male students in 2012 to male students in 2011? Correct Answer 1.5 : 1

The number of female students in 2011 and 2012 is equal.

number of males student in 2011 = number of female students in 2011 = x 

In 2012, Male students ÷ Female students = 1.5

Therefore Male students in 2012 = 1.5 ×  Female students = 1.5 × x

In 2012 and 2011, ratio of Male students to Male students = ( 1.5 × x ) ÷  x = 1.5: 1

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