alleryWhat do independent equations each provide about the variables?
AA free variable
BRepeated information
CA contradiction
DNew information
Answer & Solution
Correct answer: D. New information
None can be derived from the others, so each one narrows the solution set further.
Keep practising Data Sufficiency
Browse all Data Sufficiency questions for GMAT, or explore more Reasoning topics.
Related questions
Three distinct parallel planes in space have what solution set?Generally, with 5 unknowns and 3 independent equations, solution set dimension?Removing one independent equation does what to the solution set?An inconsistent linear system can always be rewritten as which statement?A linear system with no solution at all is called what?Generally, two independent equations in two unknowns give how many solutions?A system with fewer equations than unknowns is generally called what?What does a data sufficiency question ask the test taker to decide?