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Inscriptions are often carved on durable materials like stone or metal, not just pottery, making them permanent records.
63 189 315 378 567 693
...9, 21, 67, 273, 1371, ?
Find the wrong number in the given series.
12, 18, 27, 42, 62, 87
16 18 14 20 12 ?
...12 8 6 12 4.5 15
18 �...
25 34 61 106 169 ?
...3 5 15 75 1125 ?
...Find the maximum number of trees which can be planted, 25 meters apart, on the two sides of a straight road 2125 meters long
98 219 75 244 ? 273
11 34 135 676 4055 ?