Solutions

DL-C12-C-001

The answer is 3. Test data is for final reporting after choices are fixed.

DL-C12-C-002

42 / 50 = 0.84

DL-C12-C-003

Use absolute errors:

(2 + 4 + 1) / 3 = 7 / 3 = 2.333...

DL-C12-C-004

sqrt(5^2 + 12^2) = sqrt(25 + 144) = sqrt(169) = 13

DL-C12-C-005

150 / 200 = 0.75

DL-C12-C-006

4 / 80 = 0.05

DL-C12-C-007

(0.60 + 0.66 + 0.69) / 3 = 1.95 / 3 = 0.65