Question
147Â Â 490Â Â 707Â Â Â 831Â Â Â Â 895Â Â
 930  In each of the following questions one number is wrong. Find the wrong number.Solution
The series is +7³, +6³, +5³, +4³, +3³, +2³, ..... The series is 147 + 343 = 490, 490 + 216 = 706 706 + 125 = 831 831 + 64 = 895 895 + 27 = 922 922 + 8 = 930 Therefore it should be 706 in place of 707.
38% of 18/225 of 31/19 of 15225 =?
97, 106, ?, 195, 411, 460
21, 37, 73, 137, ?, 381
What will come in place of the question mark (?) in the following series?
4.5, 8, 15, 29, ?, 113
204, ?, 120, 83, 52, 23
18   29   16   31   ?   33
7 7 28 252 ?
...66, 17, 81, ?, 100, -21Â
- What will come in place of the question mark (?) in the following series?
32, 45, ?, 137, 216, 317 What will come in place of the question mark (?) in the following series?
21, 36, 66, 126, ?, 486