alleryନିମ୍ନଲିଖିତ ମଧ୍ୟରୁ କେଉଁ ସଂଖ୍ୟା ଯୋଡ଼ି ପରସ୍ପର ମୌଳିକ (coprime) ଅଟେ?
A12 ଏବଂ 18
B14 ଏବଂ 21
C8 ଏବଂ 15
D20 ଏବଂ 25
Answer & Solution
Correct answer: C. 8 ଏବଂ 15
8 ଏବଂ 15 ମଧ୍ୟରେ 1 ବ୍ୟତୀତ ଅନ୍ୟ କୌଣସି ଭାଜକ ସାଧାରଣ ନାହିଁ, ଯେତେବେଳେ କି ଅନ୍ୟ ଯୋଡ଼ିଗୁଡ଼ିକ ମଧ୍ୟରେ 6, 7 କିମ୍ବା 5 ସାଧାରଣ ରହିଛି।
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