Browse · harp Print → jmc prealgebra junior Problem Which triplet of numbers has a sum NOT equal to 1? (A) (1/2,1/3,1/6) (B) (2,−2,1) (C) (0.1,0.3,0.6) (D) (1.1,−2.1,1.0) Solution — click to reveal By adding each triplet, we can see that (1.1,−2.1,1.0) gives us 0, not 1, as our sum. Final answer D ← Previous problem Next problem →