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?
Created: 5 months ago |
Updated: 4 months ago
best des
(x+y)/2 = 2
(y+z)/2= 3
(z+x)/2= 4
x+y+z = 2+3+4= 9
Average= 9/3 = 3
Ans: 3
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