allery1 ଏବଂ 20 ମଧ୍ୟରେ କେତୋଟି ମୌଳିକ ସଂଖ୍ୟା ଅଛି?
A7
B8
C9
D6
Answer & Solution
Correct answer: B. 8
1 ଏବଂ 20 ମଧ୍ୟରେ ଥିବା ମୌଳିକ ସଂଖ୍ୟାଗୁଡ଼ିକ ହେଉଛି 2, 3, 5, 7, 11, 13, 17, ଏବଂ 19। ମୋଟ ସଂଖ୍ୟା = 8।
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