Brain Teasers
College of Kebabology
In a certain year, the number of girls who graduated from the Madadian High School was twice the number of boys. If 3/4 of the girls and 5/6 of the boys went to Madadia's college of Kebabology immediately after graduation, what fraction of the graduates that year went to college immediately after graduation?
Answer
Assume that number of boys graduated from the Madadian High School = BTherefore, number of girls graduated from the Madadian High School = 2*B
It is given that 3/4 of the girls and 5/6 of the boys went to the college of kebabology immediately after graduation.
Hence, total students went to the college
= (3/4)(2*B) + (5/6)(B)
= B * (3/2 + 5/6)
= (7/3)B
Fraction of the graduates that year went to college immediately after graduation
= [(7/3)B] / [3*B]
= 7/9
Therefore, the answer is 7/9
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