alleryଗୋଟିଏ କାନ୍ଥ ପାଇଁ ଦୁଇଜଣ ରାଜମିସ୍ତ୍ରୀଙ୍କୁ ଯଥାକ୍ରମେ 14 ଏବଂ 21 ଦିନ ଆବଶ୍ୟକ ହୁଏ। ଏକାଠି କାମ କଲେ ସେମାନଙ୍କୁ ଆବଶ୍ୟକ ହେବ
A8.4 ଦିନ
B8 ଦିନ
C7 ଦିନ
D9 ଦିନ
Answer & Solution
Correct answer: A. 8.4 ଦିନ
ଦୈନିକ 1/14 + 1/21 = 5/42, ତେଣୁ କାନ୍ଥ ପାଇଁ 42/5 = 8.4 ଦିନ ଲାଗେ।
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