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1980

JEE Main 1980 Mathematics question on Straight Lines and Pair of Lines

Given the four lines with the equations x+2y−3=0x + 2y - 3 = 0, 3x+4y−7=03x + 4y - 7 = 0, 2x+3y−4=02x + 3y - 4 = 0, 4x+5y−6=04x + 5y - 6 = 0, then
  1. A.
    they are all concurrent
  2. B.
    they are the sides of a quadrilateral
  3. C.
    only three lines are concurrent
  4. D.
    None of the above
Show answer

Correct option: C

[1980]

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