Archive for June 25th, 2009
Problem of the day 25.06.09
The real numbers, x, y, z, w satisfy
2x+y+z+w=1
x+3y+z+w=2
x+y+4z+w=3
x+y+z+5w=25
Find w.
Options
1. 2
2. 7/2
3. 11/2
4. 5
5. None of these
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