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ATQ, Let assume the speed of the train is 'p' m/s ATQ; 400 = (10 + p) × 8 Or, 400 = 80 + 8p Or, (400 - 80) = 8p Or, 8p = 320 Or, p = 40 Required speed of the train = 40 m/s
16 25 36 49 64 ?
5, 18, 39, 68, 105, ?
-1, 5, 23, 59, ?
58, 67, ?, 76, 40, 85
188 178 158 ? 88 38
Which of the following number will replace the question mark (?) and complete the given number series?
4, 5, 12, 39, 160, ?
418, 406, 430, 382, 478, ?, 670
12, 11, 20, 57, 224, 1015
216, 81, 297, 378, ?, 1035, 1728
8, 9, 125, ?, 1331, 169