alleryଏକ ଡଙ୍ଗା 12 km/h ବେଗରେ 24 km ଯାଇ 8 km/h ବେଗରେ ଫେରେ। ମୋଟ ଯାତ୍ରା ସମୟ କେତେ?
A4 ଘଣ୍ଟା |
B3 ଘଣ୍ଟା |
C5 ଘଣ୍ଟା |
D6 ଘଣ୍ଟା |
Answer & Solution
Correct answer: C. 5 ଘଣ୍ଟା |
ବାହ୍ୟ ଯାତ୍ରା 24 ÷ 12 = 2 ଘଣ୍ଟା ନେଇଥାଏ ଏବଂ ପ୍ରତ୍ୟାବର୍ତ୍ତନ 24 ÷ 8 = 3 ଘଣ୍ଟା ନେଇଥାଏ, ସମୁଦାୟ 5 ଘଣ୍ଟା |
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