alleryମୀନା ଗୋଟିଏ ବାଡ଼କୁ 18 ଦିନରେ ଏବଂ ଗୀତା 9 ଦିନରେ ରଙ୍ଗ କରିପାରନ୍ତି। ଯଦି ସେମାନେ ଏକାଠି କାମ କରନ୍ତି, ତେବେ ବାଡ଼ଟି ସମ୍ପୂର୍ଣ୍ଣ ହୁଏ
A5 ଦିନ
B6 ଦିନ
C7 ଦିନ
D8 ଦିନ
Answer & Solution
Correct answer: B. 6 ଦିନ
ସେମାନେ ଏକାଠି ଦୈନିକ ବାଡ଼ର 1/18 + 1/9 = 3/18 = 1/6 ଅଂଶ ରଙ୍ଗ କରନ୍ତି, ତେଣୁ 6 ଦିନ।
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