If 436 = 3, 783 = 8 and 654 = 5, then 896 = ?

| Question | If 436 = 3, 783 = 8 and 654 = 5, then 896 = ? | |
| Type | multiple_choice | |
| Option | 5 | incorrect |
| Option | 8 | incorrect |
| Option | 13 | correct |
| Option | 6 | incorrect |
| Solution | (4+3+6)-10=3 (7+8+3)-10=8 (6+5+4)-10=5 (8+9+6)-10=13 | |