alleryତାଙ୍କର ସ୍ୱାଭାବିକ ବେଗର ତିନି-ଚତୁର୍ଥାଂଶ ବେଗରେ ଚାଲି ଜଣେ ବ୍ୟକ୍ତି କାର୍ଯ୍ୟାଳୟରେ 20 minutes ବିଳମ୍ବରେ ପହଞ୍ଚନ୍ତି। ତାଙ୍କର ସ୍ୱାଭାବିକ ସମୟ କେତେ?
A45 minutes
B80 minutes
C60 minutes
D40 minutes
Answer & Solution
Correct answer: C. 60 minutes
ସମୟ ସ୍ୱାଭାବିକ ସମୟର 4/3 ଗୁଣ ହୋଇଯାଏ, ତେଣୁ ସ୍ୱାଭାବିକ ସମୟର ଏକ-ତୃତୀୟାଂଶ ହେଉଛି 20 min ଏବଂ ସ୍ୱାଭାବିକ ସମୟ ହେଉଛି 60 min।
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