Difference = 173 – 113 = 60 Decrease in average = 60/50 = 1.2 Correct mean = 75 – 1.2 = 73.8
7 7 28 252 ?
86, 127, ?, 209, 250, 291
4 9 28 99 ? 2105 12660
254, ?, 1022, 1150, 1214, 1246
129, 224, 355, 528, ?, 1024
1, 6, 27, 124, ?, 3906, 27391
1140, ?, 1130, 1160, 1120, 1170
23 45 89 155 ? 353
31, 60, 118, 234, 466, ?
166 156 136 ? 66 16
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