The next number in the sequence 3-15-6-30-21 is -207.
92 - 18 = 72 72 - 16 = 56 56 - 14 = 42 42 - 12 = 30 30 - 10 = 20 20 is the next number in the sequence.
121498
Each number is decreasing by 3. The next numbers in the sequence would be -18, -21, -24, -27, -30.
10
Looks like 57: 12+9=21, +9=30, +9=39, +9=48, +9=57.
6 12 9 18 15 30 27 54 51
The next number in the sequence 3-15-6-30-21 is -207.
12+5 = 6 22+5 = 9 32+5 = 14 42+5 = 21 52+5 = 30 62+5 = 41 Square the sequence number then add 5.
Think it's 30...then 20
92 - 18 = 72 72 - 16 = 56 56 - 14 = 42 42 - 12 = 30 30 - 10 = 20 20 is the next number in the sequence.
The Least Common Multiple (LCM) for 12 21 30 70 is 420.
21
21 and 9 21 - 9 = 12 21+9 = 30
121498
Each number is decreasing by 3. The next numbers in the sequence would be -18, -21, -24, -27, -30.
10