Question 22
An antique scale is accurate below 1000 g. At 1000 g or more it can show any number above 1000 g. Five weights A,B,C,D,E each weigh less than 1000 g. Pair readings are B+D=1200, C+E=2100, B+E=800, B+C=900, A+E=700 (grams). Which weight is heaviest?