#81 - Next Number In Series
What letter is next in this sequence?
M, A, M, J, J, A, S, O,__
N for November!
#82 - what is the next number in this sequence
Find the next number in the sequence
1, 2, 6, 21, 88, __?
445
2=(1+1)1
6=(2+1)2
21=(6+1)3
88=(21+1)4
So 445=(88+1)5
#83 - Number Series Riddle
Find The Next Number in this series ?
1, 2, 6, 42, 1806 ?
3263442
each number is multiplied by the number+1
1x2 = 2
2x3 = 6
6x7 = 42
42x43 = 1806
1806x1807 = 3263442
#84 - Missing Number In the Sequence Puzzle
Find The Missing Number In the Sequence ?
6 25 64 ? 32 1
The answer is 81
6 (6^1)
25 (5^2)
64 (4^3)
81 (3^4)
32 (2^5)
1 (1^6)
#85 - Hard Number Series Puzzle
What number comes next in the series 5 15 5 18 5 24 14 20 ?
5
write the numbers in ascending order in words as onE twO threE fouR and so on
Replace the last letter in each word with position of letter in the alphabet (E=5, O=15, E=5, R=18 and so on)
so next number is ninE (=>5 as answer)
#86 - Tough next number sequence
Find the next number in the sequence 23 21 24 19 26 15 28 11 30 7 36 ?
5
23-2=21
21+3=24
24-5=19
19+7=26
26-11=15
15+13=28
28-17=11
11+19=30
30-23=7
7+29=36
36-31=5
(2,3,5,7,11,13,17,19,23,29,31,37,41,43... are Prime Numbers)
#87 - Polaris Maths Aptitude Interview Questio
Find the next number in the series
12, 20, 40, 72, 116, 172 ?
* This question was asked in polaris
240
40 { diff 20 + 12 =>32 add to it}
72 { diff 32 + 12 =>44 add to it}
116 { diff 44 + 12 =>56 add to it}
172 { diff 56 + 12 =>68 add to it}
240
#88 - Maths Picture Puzzle
Replace the question mark with the correct number.
4
6*3 equals 18
7*9 equals 63
6*4 equals 24
7*6 equals 42, ? shud b replcd by 4."
#89 - Question Mark Problem
Replace the question mark with the correct number
4
92 - 38 = 54
5 is given and 4 is missing
#90 - Hard Number Series Riddle
Find the next number in the series
21 32 54 87 131 ?
186
21+11*1 => 32
32+11*2 => 54
54+11*3 => 87
87+11*4 => 131
131+11*5 => 186 (answer)