First column = 7 × 9 + 13 = 63 + 13 = 76 Second column = 10 × 8 + 10 = 80 + 10 = 90 Third column = 10 × 11 + 14 = 110 + 14 = 124
131, 132, 140, 166, 231, 356
43, 42, 41, 39, 33, 10
15, 34, 13, 32, 11, 28
Find the wrong number in given number series.
1116, 1135, 1158, 1187, 1224, 1278.
384, 1152, 144, 432, 56, 162
100, 164, 740, 3044, 9444, 20320
33 34 37 42 48 58
72, 83, 96, 113, 133, 155
9 17 53 103 310 619
...2 27 43 50 56 57
...
