allery20 ଜଣ ଛାତ୍ରଙ୍କ ହାରାହାରି ନମ୍ବର 60 ଏବଂ 30 ଜଣ ଛାତ୍ରଙ୍କ ହାରାହାରି ନମ୍ବର 70। ସାମଗ୍ରିକ ହାରାହାରି କେତେ?
A65
B68
C66
D67
Answer & Solution
Correct answer: C. 66
ମୋଟ ସମଷ୍ଟିଗୁଡ଼ିକ ହେଉଛି 1200 ଏବଂ 2100, ତେଣୁ 3300 କୁ 50 ଜଣ ଛାତ୍ରଙ୍କ ଦ୍ୱାରା ଭାଗ କଲେ 66 ମିଳିଥାଏ।
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