SSC CGL Tier-1 practice question
If \(x + y = 22\) and \(x - y = 6\), find the value of \(x\).
From a SSC CGL Tier-1 Quantitative Aptitude practice set · Quantitative Aptitude
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Correct answer: (B) 14
Given linear equations:
1) \(x + y = 22\)
2) \(x - y = 6\)
Adding equations (1) and (2):
\[
(x + y) + (x - y) = 22 + 6
\]
\[
2x = 28 \implies x = \frac{28}{2} = 14
\]
हिंदी में प्रश्न
यदि \(x + y = 22\) और \(x - y = 6\) है, तो \(x\) का मान ज्ञात कीजिए।
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (B) 14
दिए गए रैखिक समीकरण:
1) \(x + y = 22\)
2) \(x - y = 6\)
समीकरण (1) और (2) को जोड़ने पर:
\[
(x + y) + (x - y) = 22 + 6
\]
\[
2x = 28 \implies x = \frac{28}{2} = 14
\]
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