A train 100 m long is running at the speed of 30 km/hr. find the time taken by in to pass a man standing near the railway line.
A12 sec.
B15 sec.
C18 sec.
D10 sec.
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ഒരു കാർ ഒരു മണിക്കൂറിൽ 30 കിലോമീറ്റർ ഓടും. 40 കിലോമീറ്റർ ഓടാൻ എത്ര സമയം വേണം ?
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