alleryஒரு படகு நிலையான நீரில் 12 km/h வேகத்தில் செல்கிறது மற்றும் நீரோட்டம் 3 km/h வேகத்தில் பாய்கிறது. நீரோட்டத்தின் திசையில் அதன் வேகம் என்ன?
A9 km/h
B15 km/h
C18 km/h
D12 km/h
Answer & Solution
Correct answer: B. 15 km/h
நீரோட்டத்தின் திசையில் நீரோட்டம் உதவுகிறது, 12 + 3 = 15 km/h.
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