allery$4$, $9$ आनी $12$ हांचे प्रमाण चवथो सोदून काडात.
A$18$
B$21$
C$24$
D$27$
Answer & Solution
Correct answer: D. $27$
जर $4 : 9 = 12 : x$ जाल्यार, मागीर साधन-उत्पादना प्रमाण चड-उत्पादन नियम, $4x = 9 \times 12 = 108$, देखून $x = 27$.
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