Find the next number in the sequence:
2, 4, 5, 10, 12, 24, 27, ?Answer:- 54, 58
(x*2, +1, *2, +2, *2, +3, *2, +4)
19, 20, 21, ?, ?, 26, 28, 32, 33, 40
Which two numbers should replace the question marks?Answer:- 22 and 24: there are two interwoven sequences.
Starting at 19, alternate numbers progress +2, +3, +4, +5.
Starting at 20, alternate numbers progress +2, +4, +6, +8.