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Q: An Engine length 1000 m moving at 10 m/s. A bird is flying from engine to end with 'x' m/s and coming back at '2x' m/s. Take total time of bird travelling as 187.5 s. Find x and 2x in km/hr ?

A. 21.4 and 42.8
B. 25.2 and 50.4
C. 31.4208 and 62.8416
D. 33.12 and 66.24
Answer» D. 33.12 and 66.24


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