Question

Underline the incorrect number in each sequence below
3. 7, 71, 717, 7117, 71717
4. 99, 88, 77, 66, 54, 44
5. 160, 80, 40, 22, 10, 5
6. 35, 29, 23, 17, 11, 4

Answer 1

Answer:

3).

✅✅✅ sequence.

7,71,717,7171,71717

so, 7117 is incorrect ❌❌❌.

4).54 ❌❌❌❌

5).

22 ❌❌❌❌

6). 4 ❌❌❌❌ because

35-26=6

29-23=6, but 11-4=7

so, 4 is ❌❌❌❌.