alleryଜଣେ ନାବିକ ସ୍ରୋତର ଅନୁକୂଳରେ 24 km ଦୂରତା 2 hours ରେ ଯାଆନ୍ତି ଏବଂ 3 hours ରେ ଫେରି ଆସନ୍ତି। ସ୍ରୋତର ବେଗ କେତେ?
A1 km/h
B2.5 km/h
C2 km/h
D1.5 km/h
Answer & Solution
Correct answer: C. 2 km/h
ବେଗଗୁଡ଼ିକ ହେଉଛି 12 ଏବଂ 8 km/h, ତେଣୁ ସ୍ରୋତର ବେଗ ହେଉଛି (12 - 8) / 2 = 2 km/h।
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