Question

6. There are 20 boys and 20 girls in a class. The average percentage marks of the students in the class are more than 70, but less than 85 for a particular monthly test. The average percentage marks scored by the boys is more than 60, but less than 75. What is the range of the average percentage marks scored by the girls?
A. 65≤y≤110
B. 140≤y≤170
C. 60≤y≤75
D. 75≤y≤110

Answer 1

guys help me

Answer 2

i would say A.

considering the lowest class average is 70, and the highest average score for boys is 75
the girl average's lowest has to be 65

same to the class average highest is 85, and the lowest average score of boys is 60, the girl average's highest has to be 110

Answer 3

65<X<110

Answer 4

thanks

Answer 5

you re welcome