alleryax + b = 0-এর কি ঠিক একটি সমাধান আছে? I: a = 3। II: b = 0।
Aশুধুমাত্র II যথেষ্ট
Bএকত্রেও কোনোটিই যথেষ্ট নয়
Cউভয়টিই একসাথে প্রয়োজন
Dশুধুমাত্র I যথেষ্ট
Answer & Solution
Correct answer: D. শুধুমাত্র I যথেষ্ট
একটি অ-শূন্য সহগ a থাকলে, b যাই হোক না কেন সমীকরণটির একক বীজ -b/a থাকে।
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.