exam Maths Puzzle Numerical Ability

116 is divisible by how many numbers?

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15. Geometry. A homeowner wishes to insulate her attic with fiberglass insulation to conserve energy. The insulation comes in 40-cm wide rolls that are cut to fit between the rafte If you have a 5% solution and a 50 % solution how much of each solution do you need to make 20ml of 30% solution?