In what time will a 100 metre long train running with a speed of 50 km – McqOptions

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1.	In what time will a 100 metre long train running with a speed of 50 km/hr cross a pillar?
A.	7.0 sec
B.	72 sec
C.	7.2 sec
D.	70 sec
Answer» D. 70 sec

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