alleryx और y का मान ज्ञात कीजिए। I: x + y = 10. II: x - y = 2.
Aकेवल I पर्याप्त है
Bदोनों मिलकर भी पर्याप्त नहीं हैं
Cकेवल II पर्याप्त है
Dदोनों एक साथ आवश्यक हैं
Answer & Solution
Correct answer: D. दोनों एक साथ आवश्यक हैं
दो अज्ञात राशियों वाले दो स्वतंत्र समीकरणों को एक साथ प्रयोग करने पर ही x = 6 और y = 4 प्राप्त होता है।
Keep practising Data Sufficiency
Browse all Data Sufficiency questions for RRB NTPC, or explore more Reasoning topics.
Related questions
Three distinct parallel planes in space have what solution set?What do independent equations each provide about the variables?An inconsistent linear system can always be rewritten as which statement?A linear system with no solution at all is called what?A system with fewer equations than unknowns is generally called what?What does a data sufficiency question ask the test taker to decide?Is the point (a, b) in the first quadrant? I: a > 0. II: b > 0.Find the two-digit number. I: Digits add to 9. II: Reversing adds 27 to it.