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Speed of train = 36 km/hr = 36 × (5/18) = 10 m / sec If the length of bridge be x metre, then ⇒ 10 = (150 + x)/50 ⇒ 150 + x = 500 ⇒ x = 500 – 150 = 350 metre
16 4 2 1.5 1 1.875
...1 4 13 46 ? 976
...3 ? 7 16 71 346
...7, 14, 42, 210, 1470, ?
There are three series given below which are following with the same pattern.
Series I: 9, 10, 32, 163, 1145
Series II: 4, B, C, D, E
...4, 17, 62, 317, ?, 13267
318 228 148 78 18 ?
23 48 98 198 ? 798
...1600, 330, 48, 23.2, ?, 31.0464
Choose the correct alternative
21: 3 ∷ 574: ?
