1.

In a class, there are 54 students. \(33\frac{1}{3}\%\) of the number of students are boys and rest are girls. The average score in mathematic of boys in 50% more than that of the girls. If the average score of all the students is 70, then what is the average score of the boys?

A. 81
B. 84
C. 87
D. 90
Answer» E.


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