Directions (Q. 126-130): What value should come in the place of question mark (?) in the following number series.
1. 1260, 1169, 1088, 1017, 956, ?
1) 905 2) 895 3) 885 4) 875 5) 865
2. 516, 738, 1182, 1848, 2736, ?
1) 3412 2) 3522 3) 3686 4) 3734 5) 3846
3. 8, 73, 418, 1717, 4846, ?
1) 8624 2) 8947 3) 9136 4) 9308 5) 9996
4. 2476, 2279, 2090, 1909, 1736, ?
1) 1627 2) 1571 3) 1472 4) 1540 5) 1432
5. 5, 35, 76, 253, 488, 911, ?
1) 1210 2) 1325 3) 1460 4) 1575 5) 1680
1) 1210 2) 1325 3) 1460 4) 1575 5) 1680
ANSWER
1. 1;
1; –91, –81, –71, –61, –51, ...
2. 5;
+222, +444, +666, +888, +1110
3. 2;
+82 + 1, +73 + 2, +64 + 3, 55 + 4, +46 + 5...
4. 2
(49)2 + 75, (47)2 + 70, (45)2 + 65,
(43)2 + 60, (41)2 + 55, (39)2 + 50
5. 3
(5 × 22) + 15 = 35
(10 × 32) – 14 = 76
(15 × 42) + 13 = 253
(20 × 52) – 12 = 488
(25 × 62) + 11 = 911
(30 + 72) – 10 = 1460
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DeleteSir 5*22+15 =125 then why 35
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