Test: Sequences I - Ambitious

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Question 1:   What are the next two terms in the following sequence: 5,1,3 ?
8,11
8,12
7,11
7,12
Question 2:   What are the next two terms in the following sequence: 77,68,59
52,44
51,42
50,41
51,43
Question 3:   What are the next two terms in the following sequence: 1,3,9,27
54,162
81,243
81,162
54,81
Question 4:   What are the next two terms in the following sequence: 50,10,2 ?
1 5 , 1 25
2 5 , 2 25
6,46
1,0
Question 5:   What are the next two terms in the following sequence: 3,6,11,18
24,31
25,36
27,38
26,37
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