दो संख्याओं का योग 20 है और उनका अंतर 4 है। बड़ी संख्या क्या है?
A12
B11
C14
D10
Answer & Solution
Correct answer: A. 12
$x + y = 20$ और $x - y = 4$ को जोड़ने पर $2x = 24$ प्राप्त होता है, इसलिए बड़ी संख्या 12 है।
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