മണിക്കൂറിൽ 40 കി.മീ. വേഗത്തിൽ സഞ്ചരിക്കുന്ന ഒരു വാഹനം 60 കി.മീ. സഞ്ചരിക്കുന്നതിന് എത്ര സമയമെടുക്കും?
A1 മണിക്കൂർ 30 മിനിറ്റ്
B2 മണിക്കുർ
C1 മണിക്കുർ
D1 മണിക്കൂർ 20 മിനിറ്റ്
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