allery40 km/h ବେଗରେ ଚାଲୁଥିବା ଏକ ଟ୍ରେନ୍ ଭିତରେ ଜଣେ ବ୍ୟକ୍ତି 10 km/h ବେଗରେ ଆଗକୁ ଚାଲୁଛନ୍ତି। ଭୂମି ତୁଳନାରେ ସେ କେତେ ବେଗରେ ଗତି କରୁଛନ୍ତି?
A45 km/h
B40 km/h
C30 km/h
D50 km/h
Answer & Solution
Correct answer: D. 50 km/h
ଏକା ଦିଗରେ ଗତି ଯୋଗ ହୁଏ, 40 + 10 = 50 km/h।
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