alleryଛଅ ଜଣ ଲୋକ 12 ଦିନରେ ଗୋଟିଏ ମଞ୍ଚ ତିଆରି କରନ୍ତି। ଏହାକୁ 8 ଦିନରେ ତିଆରି କରିବା ପାଇଁ, ଆବଶ୍ୟକ ଲୋକଙ୍କ ସଂଖ୍ୟା ହେଉଛି
A8
B9
C12
D10
Answer & Solution
Correct answer: B. 9
ମୋଟ ହେଉଛି 6 x 12 = 72 ଲୋକ-ଦିନ, ଏବଂ 72/8 = 9 ଜଣ ଲୋକ।
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