Average of the height of 252 students of a school is 48. If the average of the height of the boys is 51 and the average of the height of the girls is 30, then what will be the ratio of the total height of boys and the total height of girls respectively?

Average of the height of 252 students of a school is 48. If the averag

1.	Average of the height of 252 students of a school is 48. If the average of the height of the boys is 51 and the average of the height of the girls is 30, then what will be the ratio of the total height of boys and the total height of girls respectively?
A.	51 : 5
B.	31 : 4
C.	29 : 3
D.	44 : 7
Answer» B. 31 : 4

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Average of the height of 252 students of a school is 48. If the average of the height of the boys is 51 and the average of the height of the girls is 30, then what will be the ratio of the total height of boys and the total height of girls respectively?

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