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ଏକ 30% ଗୋଷ୍ଠୀର 70% ଅଂଶ ସମୁଦାୟର କେତେ ପ୍ରତିଶତ?

A18%
B21%
C24%
D27%
Answer & Solution
Correct answer: B. 21%
70% କୁ 30% ସହିତ ଗୁଣନ କଲେ ସମୁଦାୟର 21% ମିଳିଥାଏ।
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