alleryଗତି 5 seconds ରେ ସ୍ଥିର ଭାବରେ 20 ରୁ 50 km/h କୁ ବୃଦ୍ଧି ପାଏ। ପ୍ରତି second ରେ ବୃଦ୍ଧି କେତେ?
A4 km/h
B5 km/h
C6 km/h
D10 km/h
Answer & Solution
Correct answer: C. 6 km/h
5 seconds ମଧ୍ୟରେ ବୃଦ୍ଧି ହେଉଛି 30 km/h, ତେଣୁ ସ୍ଲୋପ୍ ହେଉଛି ପ୍ରତି second ରେ 6 km/h।
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