exam
Maths Puzzle
Numerical Ability
Solve
x + y + z = 5
x - 2y + z = 8
3x - y - z = 3
Read Solution (Total 1)
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- x=2, y=-1, z=2
Adding Eqn. (i) & (iii), 4x=8, x=2
Substituting x=2, in (i), y+z=3 ---(iv) &
similarly in (ii), -2y+z=6 ---(v)
On solving (iv) & (v), y=-1 & z=4
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