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If (p>q) and (r>s), which conclusion is always true?यदि (p>q) और (r>s), तो कौन सा निष्कर्ष हमेशा सत्य है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (p+r>q+s)(p+r>q+s)
Adding inequalities in the same direction gives (p+r>q+s), which is always true. Subtraction and multiplication need extra conditions.दो सही दिशा वाली असमानताओं को जोड़ने पर (p+r>q+s) हमेशा सत्य है। घटाव और गुणा में अतिरिक्त शर्तें चाहिए।
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