Number Sequence( Week 40 Evaluation) 1. Figure out the rule used to arrange the numbers, then decide what number should come next in the series. 9887766 ⇒ 2. Find the missing number: 17, 15, 13, 11, (?)... 3. Please find the missing number in 39, 139, 239, 339, 439, 539, 639, ?, 839, 939, ... 4. Figure out the rule used to arrange the numbers, then decide what number should come next in the series. 4253647 ⇒ 5. Figure out the rule used to arrange the numbers, then decide what number should come next in the series. 478111215⇒ 6. Figure out the rule used to arrange the numbers, then decide what number should come next in the series. 3467910 ⇒ 7. Figure out the rule used to arrange the numbers, then decide what number should come next in the series. 232219181514 ⇒ 8. Find the missing number: 9, 20, 10, 19, 11, 18, 12, 17, 13, 16, (?)... 9. Figure out the rule used to arrange the numbers, then decide what number should come next in the series. 8577695⇒ 10. Figure out the rule used to arrange the numbers, then decide what number should come next in the series. 2457810 ⇒ |