

MCQOPTIONS
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1. |
Given the four lines with equations \[x+2y=3,\] \[3x+4y=7,\,\,2x+3y=4\,\,\] and \[4x+5y=6,\] then these lines are [IIT 1980; Pb. CET 2003] |
A. | Concurrent |
B. | Perpendicular |
C. | The sides of a rectangle |
D. | None of these |
Answer» E. | |