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മണിക്കുറിൽ 54 കി.മീ. വേഗത്തിലോടുന്ന 240 മീറ്റർ നീളമുള്ള ഒരു തീവണ്ടി ഒരു ടെലിഫോൺ പോസ്റ്റിനെ മറികടക്കാൻ എത്ര സമയമെടുക്കും?

A16 sec

B20 sec

C25 sec

D15 sec

Answer:

A. 16 sec

Read Explanation:

54 km/hr = 54 x 5/18m/s = 15 m/s സമയം =ദൂരം/ വേഗം =240/15 = 16 sec.


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