allery180 km ଦୂରରେ ଥିବା ଦୁଇ କାର୍ 40 ଓ 50 km/h ବେଗରେ ପରସ୍ପର ଆଡ଼କୁ ଯାଆନ୍ତି। କେବେ ମିଳିବେ?
A2 ଘଣ୍ଟା |
B1 ଘଣ୍ଟା |
C3 ଘଣ୍ଟା |
D4 ଘଣ୍ଟା |
Answer & Solution
Correct answer: A. 2 ଘଣ୍ଟା |
ଏକତ୍ର କାରଗୁଡିକ ପ୍ରତି ଘଣ୍ଟାରେ 40 + 50 = 90 କିଲୋମିଟର ବନ୍ଦ କରନ୍ତି, ତେଣୁ ସେମାନେ 180 ÷ 90 = 2 ଘଣ୍ଟା ପରେ ଭେଟନ୍ତି |
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