alleryଏକ ଟ୍ରାମ୍ ଏକ ରାସ୍ତାର ଏକ-ତୃତୀୟାଂଶ 20 km/h ବେଗରେ ଏବଂ ଅବଶିଷ୍ଟ ଦୁଇ-ତୃତୀୟାଂଶ 40 km/h ବେଗରେ ଅତିକ୍ରମ କରେ। ଏହାର ହାରାହାରି ବେଗ କେତେ?
A30 km/h
B35 km/h
C28 km/h
D32 km/h
Answer & Solution
Correct answer: A. 30 km/h
ଏକ 60 km ରାସ୍ତା ପାଇଁ, 20 km ପାଇଁ 1 h ଏବଂ 40 km ପାଇଁ 1 h ସମୟ ଲାଗେ, ଯାହା 60 / 2 = 30 km/h ଦେଇଥାଏ।
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