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
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 3 numbers is X. If the average of first 2 numbers is Y and the average oflast 2 numbers is Z , what is the second number?
A 2Y + 2Z -3X
B 3X -Y -Z
C 2 Y +2Z +3x
D X-Y-Z
The average of 4 numbers is X. If the average of first 3 numbers is Y and the average of last 2 numbers i Z, what is the second number
A 4X - Y -Z
B 3Y -*2Z
C 3 Y+ 2Z -4X
The average of 21 numbers is 12. The average of the first 11 numbers is 9 and the average of the last 11 numbers is 15. What is the value of the middle number?
A 10
B 11
C 12
D 13

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