2342 2223 2090 1943 1782 ?
difference of difference; - (17 x 7), - (19 x 7), - (21 x 7), - (23 x 7), - (25 x 7) further difference is of 14.
5, 17, 44, 83, 135, 200
28, 84, 42, 126, 68, 189
1152 3456 432 1296 164 486
5 4 15 36 107 226
23, 36, 75, 140, 233, 348
11 110 978 6824 34103 102290
9, 14, 38, 129, 536, 2715, 16260
In each of the following giving number series, a wrong number is given. Find out the wrong number?
3023, 3132, 3246, 3356, 3471
105 112 133 168 216 280 357
...115, 138, 163, 190, 220, 250
