#11 - Number Series

What is the next number in this series, 1, 11, 21, 1211, 111221 , 312211 ?

Number Series

Next in sequence is 13112221.

This series describes each number that came before it:
1 [One]
11 [One One]
21 [Two One(s)]
1211 [One Two and One One(s)]
111221 [One One, One Two, and Two One(s)]
312211 [Three One(s), Two Two(s), and One One]

The next number in the series is:
13112221 [One Three, One One, Two Two(s), Two One(s)]

#12 - Number Series Question

Identify the next two numbers in this series?

101, 112, 131, 415, 161, 718, ???, ???

Number Series Question

192 021
If you look at it as two-digit numbers you'll see:10 11 12 13 14 15 16 17 18 19 20 21

#13 - Number Series Problem

What number comes next in this sequence:
7 8 5 5 3 4 4 ?

Number Series Problem

6- the number of letters in the month august; (January has 7 letters, February has 8 etc.)

#14 - Missing Letter Sequence Puzzle

Can you find the missing letter in the sequence ?
S - T - I - L - ? - T - F - Y - C

Missing Letter Sequence Puzzle

The answer is M.

These are letter of the question asked in reverse order.

#15 - Hard Number Series Problem

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

Hard Number Series Problem

20(Twenty) : when you write them , these are only numbers having vowel 'E'

#16 - Logical Number Series

Find the next number in this series.

6 14 36 98 ?

Logical Number Series

276

6 = 11 + 21 + 31
14 = 12 + 22 + 32
36 = 13 + 23 + 33
98 = 14 + 24 + 34
276 = 15 + 25 + 35

#17 - Hard Number Sequence Riddle

Find the next number in the sequence

5 12 24 36 ?

50

sum of consectuve prime numbers
(2+3 , 5+7 , 11+13 , 17+19 , 23+27)

#18 - Picture Number Pattern Sequence

Whats the next number in the below number sequence pattern.

Picture Number Pattern Sequence

1113213211
its like you call it out

one one => 11
two one => 21
and so on

#19 - Hard Number Series Aptitude Riddle

What is the next number in the series.

15 29 56 108 208 ?

400

Explanation:
15
2*15-1 => 29
2*29-2 => 56
2*56-4 => 108
2*108-8 => 208
2*208-16 => 400

#20 - Tricky Number Series Riddle

Analyze the series below and find out the next number.
5, 25, 325, 4325, __?

Tricky Number Series Riddle

54324

Consider 1 = 5
2 = 25
3 = 325
4 = 4325
Then 5 = 54325

With every digit, the previous numbers are added after that digit

So the answer is 54325