alleryଏକ ବସ୍ 2 h ରେ 90 km, ତା’ପରେ 1 h ରେ 60 km | ଏହାର ସାମଗ୍ରିକ ହାରାହାରି ଗତି?
A45 km/h
B60 km/h
C55 km/h
D50 km/h
Answer & Solution
Correct answer: D. 50 km/h
ସମୁଦାୟ ହାରାହାରି ଗତି ହେଉଛି (90 + 60) ÷ (2 + 1) = 50 କିମି / ଘଣ୍ଟା |
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