Related Questions

In a set of three numbers, the average of first two numbers is 2. The average of the last two numbers is 3, and the average of the first and the last numbers is 4. What is the average of three numbers ?
A 3
B 6
C 9
D 24
In a set of 3 numbers, the average of first two numbers is 2, the average of the last two numbers is 3, and the average of the first and the last numbers is 4. What is the average of three numbers?
A 3
B 2
C 2.5
D 3.5
The average of eight numbers in 14. The average of six of these numbers 16. The average of the remaining two numbers is 16. The average of the remaining two numbers is-
A 4
B 8
C 16
D Data inadequate
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 average of 6 numbers is 25. If 3 more numbers, with an average of 22 are added to these numbers, what will be the average of the combined 9 numbers?
A 20
B 22
C 24
D 25
The average of 5 numbers is 25. If 2 more numbers, with an average of 18, are added to these numbers, what will be the average of the combined 7 numbers?
A 20
B 22
C 23
D 25
The average of 6 numbers is 25. If 3 more numbers , with an average of 22 are added to these numbers, what will be the average of the combined 9 numbers?
A 20
B 24
C 26
D 32
The average of 6 numbers is 25. If 3 more numbers , with an average of 22 are added to these numbers ,what will be the average of the combined 9 numbers?
A 20
B 22
C 24
D 25
The average of six numbers is 7 . If two of the six numbers are removed , the average of the remaining numbers is 8. What is the sum of the two numbers which were removed?
A 15
B 13
C 11
D 10
The average of 7 numbers of 40. If 3 more numbers, with an average of 21, are added to these numbers, what will be the average of the combined 10 number?
A 6.1
B 30.1
C 30.3
D 34.3

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