Practice Set 4.2
Identify the pattern in each of the number series given below
and write the next three numbers.
1)
1, 1, 1, 1, 1, 1, ...., ...., ....
2)
1, 2, 3, 4, 5, 6, 7, ...., ...., ....
3)
1, 3, 5, 7, 9, ...., ...., ....
4)
2, 4, 6, 8, 10, 12, ...., ...., ....
5)
1, 3, 6, 10, 15, 21, ...., ...., ....
6)
1, 4, 9, 16, 25, 36, ...., ...., ....
7)
1, 8, 27, 64, 125, ...., ...., ....
8)
0, 1, 1, 2, 3, 5, 8, 13, 21, ...., ...., ....
9)
1, 2, 4, 8, 16, 32, 64, ...., ...., ....
10)
1, 3, 9, 27, 81, ...., ...., ....
Solution
1, 1, 1, 1, 1, 1,
1,
1,
1.
1, 2, 3, 4, 5, 6, 7,
8,
9,
10.
1, 3, 5, 7, 9,
11,
13,
15.
2, 4, 6, 8, 10, 12,
14,
16,
18.
1, 3, 6, 10, 15, 21,
28,
36,
45.
1, 4, 9, 16, 25, 36,
49,
64,
81.
1, 8, 27, 64, 125,
216,
343,
512.
0, 1, 1, 2, 3, 5, 8, 13, 21,
34,
55,
89.
1, 2, 4, 8, 16, 32, 64,
128,
256,
512.
1, 3, 9, 27, 81,
243,
729,
2187.