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The equation to a pair of opposite sides of a parallelogram are `x^2-5x+6=0` and `y^2+5=0` . The equations to its diagonals are `x+4y=13 ,y=4x-7` (b) `4x+y=13 ,4y=x-7` `4x+y=13 ,y=4x-7` (d) `y-4x=13 ,y+4x-7`

A

`x+4y=13 and y=4x-7`

B

`4x+y=13 and 4y=x-7`

C

`4x+y=13 and y=4x-7`

D

`y-4x=13 and y+4x=7`

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The correct Answer is:
C
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OBJECTIVE RD SHARMA ENGLISH-STRAIGHT LINES-Chapter Test
  1. The equation to a pair of opposite sides of a parallelogram are x^2-5x...

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  2. The distance between the parallel lnes y=2x+4 and 6x-3y-5 is (A) 1 (B)...

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  3. P is a point on either of the two lines y - sqrt(3)|x| = 2 at a dista...

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  4. If one diagonal of a square is along the line x=2y and one of its vert...

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  5. The line which is parallel to x-axis and crosses the curve y=sqrt(x) a...

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  6. P(3,1),Q(6,5) and R(x,y) are three points such that PRQ is a right ang...

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  7. Find the equation of the straight line which passes through the point ...

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  8. What is the equation of the straight line which is perpendicular to y=...

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  9. Find the perpendicular distance between the lines 3x+4y+9=0 and to 6x...

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  10. The equation of the line passing through the point (1,2) and perpendic...

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  11. The straight lines x+y=0, 3x+y-4=0 and x+3y-4=0 form a triangle which ...

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  12. Triangle formed by x^(2)-3y^(2)=0 and x=4 is

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  13. The co-ordinates of the orthocentre of the triangle bounded by the lin...

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  14. the lines (p+2q)x+(p-3q)y=p-q for different values of p&q passes troug...

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  15. Write the distance between the lines 4x+3y-11=0\ a n d\ 8x+6y-15=0.

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  16. If the diagonals of a parallelogram ABCD are along the lines x+5y=7 a...

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  17. The straight lines x+y-4=0, 3x+y-4=0 and x+3y-4=0 form a triangle, whi...

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  18. Write the coordinates of the orthocentre of the triangle formed by ...

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  19. A point equidistant from the line 4x + 3y + 10 = 0, 5x-12y + 26 = 0 an...

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  20. The number of values of a for which the lines 2x+y-1=0 , a x+3y-3=0, a...

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