| Question | If CAB = 12 and FED = 30, then HIDE = | |
| Type | multiple_choice | |
| Option | 44 | incorrect |
| Option | 68 | incorrect |
| Option | 52 | correct |
| Option | 48 | incorrect |
| Solution | CAB FED 3 + 1 + 2 = 6 × 2 = 12 6 + 5 + 4 = 15 × 2 = 30 HIDE 8 + 9 + 4 + 5 = 26 × 2 = 52 | |
