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If the lines x-y-1=0,4 x+3 y=k and 2 x-3...

If the lines `x-y-1=0,4 x+3 y=k` and `2 x-3 y+1=0` are concurrent then `k=`

A

1

B

-1

C

25

D

5

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The correct Answer is:
C
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HIMALAYA PUBLICATION-COORDINATE SYSTEMS, LOCUS AND STRAIGHT LINES-QUESTION BANK
  1. The diagonals of a parallelogram P Q R S are along the lines x+3 y=4 a...

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  2. If the vertices P, Q, R are rational points which of the following poi...

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  3. If the lines x-y-1=0,4 x+3 y=k and 2 x-3 y+1=0 are concurrent then k=

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  4. The centroid of a triangle formed by the points (0, 0), (cos theta, si...

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  5. The orthocentre of the triangle formed by (8,0) , (4,6) with the origi...

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  6. The foot of the perpendicular from (-2,3) to the line 2 x-y-3=0 is

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  7. The locus of the point of the portion of the line x cos alpha-ysin alp...

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  8. The value of lambda for which the lines 3 x+4 y=5, 5 x+4 y=4 and lambd...

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  9. Three vertices of a parallelogram taken in order are (-1,-6),(2,-5) an...

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  10. The angle between the lines 2 x-y+3=0 and x+2 y+3=0 is

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  11. The centroid of the triangle is (2,7) and two of its vertices are (4,8...

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  12. The inclination of the line through (-3,6) and the midpoint of the lin...

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  13. A point moves such that the area of the triangle formed by it with the...

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  14. The area bounded by the curves x+2|y|=1 and x=0 is

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  15. The foot of the perpendicular from the point (2,4) upon x+y=4 is

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  16. A (1, 3) and C(7, 5) are two opposite vertices of a square. The equati...

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  17. Distance between the parallel lines y=2 x+7 and y=2 x+5 is

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  18. Orthocentre of the triangle formed by the lines x+y=1 and x y=0 is

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  19. The area of the triangle with vertices at (-4,1) , (1,2),(4,-3) is

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  20. Find the area of the triangle Delta ABC with A(a,b+c), B(b,c+a), and C...

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