allery15 ଜଣ ଶ୍ରମିକଙ୍କ ଏକ ଦଳ ଗୋଟିଏ କାମକୁ 30 ଦିନରେ ଶେଷ କରିପାରନ୍ତି। 10 ଦିନ ପରେ, ଆଉ 5 ଜଣ ଶ୍ରମିକ ଯୋଗ ଦିଅନ୍ତି। ଅବଶିଷ୍ଟ କାମ ଶେଷ ହେବାକୁ ଲାଗିବ
A18 ଦିନ
B15 ଦିନ
C12 ଦିନ
D10 ଦିନ
Answer & Solution
Correct answer: B. 15 ଦିନ
ଅବଶିଷ୍ଟ କାମ ହେଉଛି 15 x 20 = 300 worker-days, ଏବଂ 20 ଜଣ ଶ୍ରମିକ ଏହାକୁ 15 ଦିନରେ ଶେଷ କରନ୍ତି।
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