Related Questions

Three math classes , X, Y , and Z, take an algebra test. The average score in class X is 83. The average score in class Y is 76. The average score in class Z is 85. The average score of all students in classes X and Y together is 79. The average score of all student classes Y and Z together is 81. What is the average for all the three classes?
A 81
B 81.5
C 82
D 84.5
The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older . If the ages of these two are excluded, the average , the average age of the remaining players is one year less than the average age of the whole team. what is the average age of the whole team?
A 23 years
B 24 years
C 25 years
D 26 years
Find the average of all whole number between 1 and 100 that end in 3.
A 44
B 45
C 46
D 47
Three maths classes: X, Y, and Z take an algebra test. The average score of class X is 83. The average score of class Y is 76. The average score of class Z is 85. The average score of class X and Y is 79 and the average score of class Y and Z is 81. What is the average score of the combined classes X, Y, and Z?
A 81
B 81.5
C 82
D 84.5
Find the average of all whole numbers between 1 and 100 that end in 3.
A 2
B 3
C 4
D None of these
Find the average of all whole numbers between 1 and 100 that end in 3 .
A 44
B 45
C 46
D 47
A train went 300 miles from city X to city Y at an average speed of 80 miles per hours ( mph ). At what speed did the train travel on the way back if its average speed for the whole ( both ways ) trip was 100 mph?
A 120 mph
B 125 mph
C 133.33 mph
D 137 mph
A train went 300 miles from X to Y at an average speed of 80 mph. At what speed did it travel on the way back it its average speed for the whole trip was 100 mph?
A 120 mph
B 125 mph
C 133.33 mph
D 137.5 mph
A train went 300 miles from City X to City Y at an average speed of 80 mph. At what speed did it travel on the way back if its average speed for the whole trip was 100 mph?
A 120 mph
B 125 mph
C 133.33 mph
D 137.5 mph
A train went 300 miles from City X to City Y at an average speed of 100 mph. At what speed did it travel on the way back if its average speed for the whole trip was 120 mph?
A 120 mph
B 125 mph
C 150 mph
D 130 mph

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