alleryஒரு கூரியர் பணியாளர் முதல் மணி நேரத்தில் 30 km தூரமும், அடுத்த இரண்டு மணி நேரத்தில் 60 km தூரமும் பயணிக்கிறார். சராசரி வேகம் என்ன?
A40 km/h
B35 km/h
C30 km/h
D45 km/h
Answer & Solution
Correct answer: C. 30 km/h
3 மணி நேரத்தில் 90 km என்பது சராசரியாக 30 km/h ஆகும்.
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