A train overtakes two persons walking along a railway track. The first one walks at 3.2 Km/h. The other one walks at 4.5 Km/h. The train needs 5.5 and 5.6 second respectively to overtake them. What is the speed of the train if both the persons are walking in the same direction as the train?
4 10 ? 62.5 156.25 390.625
...612, 487,?, 396, 388, 387
44 45 41 50 ? 59 23
...74, 84, 64, 104, ?, 184
3 2 3 6 14 ? 115.5
480, 288, ?, 103.68, 62.208, 37.3248
√(10198 )× √(7220 )÷ 16.69 + 2010.375= ?
11 20 ? 64 112 192
...(248 + 352)/(34 - 30) = ?
6 11 32 111 ? 2345 14100
...
