| Question | What is the unit digit in the product of 853 * 1346 * 452 * 226? | |
| Type | multiple_choice | |
| Option | 4 | incorrect |
| Option | 5 | incorrect |
| Option | 6 | correct |
| Option | 8 | incorrect |
| Solution | Pick up the unit digit of each number and multiply them; 3 in 853 6 in 1346 2 in 452 6 in 226 ∴3 * 6 * 2 * 6 = 216 (consider the unit digit in the product) So, the unit digit in the product of 853 * 1346 * 452 * 226 is 6. | |
