alleryଦୁଇଜଣ ସାଙ୍ଗ ଏକାଠି ଗୋଟିଏ ହଲ୍କୁ 8 ଦିନରେ ସଫା କରନ୍ତି। ସେମାନଙ୍କ ମଧ୍ୟରୁ ଜଣେ ଏକାକୀ 24 ଦିନ ସମୟ ନିଏ। ଅନ୍ୟ ଜଣଙ୍କୁ ଏକାକୀ ଲାଗିବ
A12 ଦିନ
B14 ଦିନ
C10 ଦିନ
D16 ଦିନ
Answer & Solution
Correct answer: A. 12 ଦିନ
ଅନ୍ୟ ଜଣଙ୍କର ହାର ହେଉଛି 1/8 - 1/24 = 2/24 = 1/12, ତେଣୁ 12 ଦିନ।
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