The average score of 42 students in a test is 69. The ratio of the num – McqOptions

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1.	The average score of 42 students in a test is 69. The ratio of the number of boys to that of girls us 10 : 11. The average score of the boys is 20% more than that of the girls. The average score of the boys is:
A.	852.8
B.	75.6
C.	73.5
D.	75.2
Answer» C. 73.5

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