alleryଯଦି 12 ଜଣ ଲୋକ ଗୋଟିଏ କାମକୁ 15 ଦିନରେ ସମ୍ପୂର୍ଣ୍ଣ କରିପାରନ୍ତି, ତେବେ 20 ଜଣ ଲୋକ ଏହାକୁ ସମ୍ପୂର୍ଣ୍ଣ କରିବେ
A9 ଦିନ
B10 ଦିନ
C8 ଦିନ
D12 ଦିନ
Answer & Solution
Correct answer: A. 9 ଦିନ
କାର୍ଯ୍ୟଟି ହେଉଛି 12 x 15 = 180 ଲୋକ-ଦିନ, ଏବଂ 180/20 = 9 ଦିନ।
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