Question
4, 17, 62, 317, ?, 13267
What should come in place of the question mark (?) in the following number series?Solution
4 `xx`  3 + 5 = 17 17 `xx`  4 – 6 = 62 62 `xx`  5 + 7 = 317 317 `xx`  6 – 8 = 1894 1894 `xx`  7 + 9 = 13267
21Â Â Â Â Â Â 24 Â Â Â Â Â Â 22Â Â Â Â Â Â 25Â Â Â Â Â 23Â Â Â Â Â Â Â ?Â
...28, 43, 73, 118, ?, 253
114, 115, 118, 127, ?, 235
72, 79, 100, 135, 184, ?
11Â Â Â Â Â Â Â Â Â Â 22.5Â Â Â Â Â Â Â 47Â Â Â Â Â Â Â Â Â Â 102Â Â Â Â Â Â Â Â 236Â Â Â Â Â Â Â Â ?
...120, 136, 111, 147, ?, 162
What will come in place of the question mark (?) in the following series?
60, 94, 184, 464, 1388, ?
12    17    44    147    ?   3065   18420
...What will come in place of the question mark (?) in the following series?
50, 70, 110, 190, 310, ?
70, 69, 73, 64,80, 55, ?