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A freely suspended magnet always rests in a north-south direction because the north-pole of the magnet lies in the geographic north direction and the south pole of the magnet lies in the geographic south direction. So it aligns itself in the N-S direction. As unlike poles attract and like poles repel.
23 30 44 65 92 128
120, 60, 80, 90, 180, 450
275, 50, 165, 33, 99, 19.8, 59.4
125, 600, 2400, 7200, 14400
1, 1.5, 3, 7.5, 22.5, 75, 315
42, 61, 78, 93, 102, 109
15, 30, 30, 20, 10, 8
Find the wrong number in the given number series.
3, 8, 26, 102, 398, 1639
71 81 61 101 51 181