alleryA ଏବଂ B ର ଦକ୍ଷତା 4:5 ଅନୁପାତରେ ଅଛି ଏବଂ ଏକତ୍ର ସେମାନଙ୍କୁ 20 ଦିନ ଆବଶ୍ୟକ ହୁଏ। କେବଳ A କୁ ଆବଶ୍ୟକ ହେବ
A40 ଦିନ
B36 ଦିନ
C50 ଦିନ
D45 ଦିନ
Answer & Solution
Correct answer: D. 45 ଦିନ
ମୋଟ କାମ ହେଉଛି 9 units x 20 days = 180 units, ଏବଂ A ଦିନକୁ 4 units କରେ, ତେଣୁ 45 ଦିନ।
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