allery$4$, $9$ ଏବଂ $12$ ର ଚତୁର୍ଥ ସମାନୁପାତୀ ନିର୍ଣ୍ଣୟ କରନ୍ତୁ।
A$18$
B$21$
C$24$
D$27$
Answer & Solution
Correct answer: D. $27$
ଯଦି $4 : 9 = 12 : x$, ତେବେ ମଧ୍ୟପଦ ଦ୍ୱୟର ଗୁଣଫଳ = ପ୍ରାନ୍ତପଦ ଦ୍ୱୟର ଗୁଣଫଳ ନିୟମ ଅନୁସାରେ, $4x = 9 \times 12 = 108$, ତେଣୁ $x = 27$।
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Related questions
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