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If the lines x+3y-9=0, 4x+by-2=0 and 2x...

If the lines `x+3y-9=0, 4x+by-2=0` and `2x-y-4=0` are concurrent, then b equals

A

5

B

-5

C

0

D

1

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The correct Answer is:
B
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HIMALAYA PUBLICATION-COORDINATE SYSTEMS, LOCUS AND STRAIGHT LINES-QUESTION BANK
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  2. The equation to the line bisecting the join of (3,-4) and (5,2) and ha...

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  3. If the lines x+3y-9=0, 4x+by-2=0 and 2x-y-4=0 are concurrent, then b ...

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  4. The co-ordinates of the foot of the perpendicular drawn from the point...

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  5. The coordinates of the circumcentre of the triangle with vertices (2,3...

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  6. The orthocentre of the triangle formed by A(1,2), B(-2,2), C(1,5) is

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  7. The medians AD and BE of a triangle with vertices A (0, b), B(0, 0) an...

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  8. The lines 2 x+11 y-5=0,4 x-3 y-2=0 and 24 x+7 y-20=0

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  9. A st. line through the point (2, 2) intersects the lines sqrt(3)x+y=0 ...

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  10. A triangle with vertices (4, 0), (-1, -1), (3, 5) is :

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  11. If x(1), x(2), x(3) as well as y(1), y(2), y(3) are in G.P. with the s...

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  12. A square of side 4 a lies above the x -axis and has one vertex at the...

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  14. Locus of centroid of the triangle whose vertices are (a cos t, a sin ...

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  15. The equation of the straight line passing through the point (4, 3) and...

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  16. A(2,-3) and B(-2,1) are the vertices of a triangle A B C . If the cent...

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  17. If a vertex of a triangle is (1, 1) and the mid-points of two sides th...

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  18. If non-zero numbers a, b, c are in H.P., then the straight line (x)/(...

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