Question
30Â Â Â Â 32Â Â Â Â 67Â Â Â Â 206Â Â Â
 ?     4166 What will come in place of the question mark (?) in the following series?Solution
30 x 1 + 2 = 32 32 x 2 + 3 = 67 67 x 3 + 5 = 206 206 x 4 + 7 =Â 831 831 x 5 + 11 = 4166
800 400 600 1500 ? 23625
...112 ? 336 840 2520 8820
...100, 110, ?, 171.6, 240.24, 360.36
There are two series I and II. Logic in both the series are different.
Series l: 3, 12, 28, 53, 89, .
Series II: 259, 270, 283, 300, 319.<...
44 23 21 34.5 ? 167.5
...125 36 343 ? 729 100
...40    42    87    266    ?     5366
36, 49, 23, 62, ?, 75
48Â Â Â 24Â Â Â Â 72Â Â Â Â 18Â Â Â Â Â 90Â Â Â Â Â ?
2, 9, 19, 32, 48, 67, ?