alleryयदि 3 : x = 12 : 20 है, तो x का मान क्या है?
A8
B4
C5
D6
Answer & Solution
Correct answer: C. 5
तिर्यक गुणा (cross-multiplying) करने पर 12x = 60 प्राप्त होता है, इसलिए x = 5।
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