Find what comes in the question mark.
- 1… 4… 20… 120… 840… ?
45906720432055607690Option B
1 * 4 = 4
4 * 5 = 20
20 * 6 = 120
120 * 7 = 840
840 * 8 = 6720 - ?… 8776… 1096… 136… 16… 1
7321670288707167521670216Option E
(8776 – 8)/8 = 1096
(1096 – 8)/8 = 136
(136 – 8)/8 = 16
(16 – 8)/8 = 1
8776 * 8 + 8 = 70216 - 13…15… 27… ?… 143… 293
4554633669Option C
13 + 12 + 13 =15
15 + 22 + 23 = 27
27 + 32 + 33 = 63
63 + 42 + 43= 143
143 + 52 + 53 = 293 - 41… 52… 67… 89… 121… ?
146156166176186Option C
41 52 67 89 121 166
11 15 22 32 45
4 7 10 13
3 3 3 - 6… 3… 3… 4.5… ?… 22.5
911131517Option A
6 * 1/2 = 3
3 * 2/2 = 3
3 * 3/2 = 4.5
4.5 * 4/2 = 9
9 * 5/2 = 22.5 - 22… 36… 54… 76… 102… 130
22365476130Option E
22 36 54 76 102 132
14 18 22 26 30 - 37… 75… 227… 911… 4559… 27358
27358455991122775Option A
37 * 2 + 1 = 75
75 * 3 + 2 = 227
227 * 4 + 3 = 911
911 * 5 + 4 = 4559
4559 * 6 + 5 = 27359 - 107… 118… 131… 148… 168… 190
190167148131118Option B
107 + 11 = 118
118 + 13 = 131
131 + 17 = 148
148 + 19 = 167
167 + 23 = 190 - 17… 18… 34… 54… 68… 161
16168543418Option A
17 * 2 = 34 … 18 * 3 = 54
34 * 2 = 68 … 54 * 3 = 162 - 47… 54… 66… 80…. 97…. 112
54668097112Option C
47 + 7 * 1 = 54
54 + 6 * 2 = 66
66 + 5 * 3 = 81
81 + 4 * 4 = 97
97 + 3 * 5 = 112
Find the wrong number in the following series:-
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