alleryA କୁ ଏକାକୀ B ଠାରୁ 6 ଦିନ କମ୍ ସମୟ ଲାଗେ, ଏବଂ ଏକତ୍ର ସେମାନେ 4 ଦିନରେ କାମ ଶେଷ କରନ୍ତି। କେବଳ B କୁ ଲାଗିବ
A8 ଦିନ
B9 ଦିନ
C12 ଦିନ
D10 ଦିନ
Answer & Solution
Correct answer: C. 12 ଦିନ
A = x ଏବଂ B = x + 6 ଧରିଲେ, 1/x + 1/(x+6) = 1/4 ରୁ x = 6 ମିଳେ, ତେଣୁ B କୁ 12 ଦିନ ଲାଗେ।
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