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Sunday, January 26, 2020

A museum has 520 visitors on Sundays and 310 on other days. The average number of visitors per day in a month of 30 days beginning with a Monday is:

A museum has 520 visitors on Sundays and 310 on other days. The average number of visitors per day in a month of 30 days beginning with a Monday is:
A256
B338
C340
D285
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Saturday, January 25, 2020

In a class of 40 students, there are 22 boys and 18 girls. The average height of boys is 150.25 cm and the average height of girls is 145.50. What is the average height of the students in the class?

In a class of 40 students, there are 22 boys and 18 girls. The average height of boys is 150.25 cm and the average height of girls is 145.50. What is the average height of the students in the class?
A148.112 cm
B146.025 cm
C145.652 cm
D147.875 cm
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