11.
it is 7
63
3 Each term is divided by 3 to produce the following term.
144 The sequence goes by adding the number plus the number before it to get the next number: 1+1=2 1+2=3 2+3=5 3+5=8...
The sequence appears to be decreasing by 3, then increasing by 3. Following this pattern, starting from 33, if we subtract 3, we get 30. Thus, the missing number is 30. The complete sequence would be 33, 30, 24, 27.
An interruption.
Each following number in the sequence is being divided by 4. Therefore, the next number in the sequence is 3/4 = 0.75.
The next number in the sequence is 6. The sequence alternates between adding 3 and subtracting 1 from the previous number.
it is 7
63
3 Each term is divided by 3 to produce the following term.
144 The sequence goes by adding the number plus the number before it to get the next number: 1+1=2 1+2=3 2+3=5 3+5=8...
The sequence appears to be decreasing by 3, then increasing by 3. Following this pattern, starting from 33, if we subtract 3, we get 30. Thus, the missing number is 30. The complete sequence would be 33, 30, 24, 27.
The sequence is taking half of the number and adding it to that number, 3/2 = 1.5, 3 + 1.5 = 4.5, the next number in the sequence is 15.1875
21. This is the Fibonacci series.
Prime number sequence.
They are arrange alphabetically.