alleryପ୍ରତି ଘଣ୍ଟା ବ୍ୟବଧାନରେ ଏକ ଜୀବାଣୁ ନମୁନାର ଗଣନା 5, 10, 20, 40 ଦର୍ଶାଉଛି। ପରବର୍ତ୍ତୀ ସଂଖ୍ୟାଟି କ’ଣ ହେବ?
A80
B100
C70
D60
Answer & Solution
Correct answer: A. 80
ପ୍ରତ୍ୟେକ ପଦ ପୂର୍ବ ପଦର ଦୁଇଗୁଣ, ତେଣୁ 40 ରୁ 80 ମିଳିଥାଏ।
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