Welcome to your Series Test-1
4.
1, 3, 6, 11, 18, 27, ?
6.
0, 2, 6, 12, 20, 30, ?
10.
1, 1, 2, 6, 24, 120, ?
11.
702, 552, 506, 380, 342, ?
16.
21, 32, 45, 62, 81, ?
18.
8, 17, 35, 71, 143, ?
19.
25, 36, 49, 64, 81, ?
20.
2, 4, 6, 3, 12, 15, 4, 24, 28, 5, ?, ?