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A chord of length 24 units is a distance...

A chord of length 24 units is a distance of 5 units from the centre of a circle then its radius is

A

5

B

12

C

13

D

10

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-CIRCLES-EXERCISE -I
  1. If a line is drawn through a point A(3,4) to cut the circle x^(2)+y^(2...

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  2. A chord through P cut the circle x^(2)+y^(2)+2gx+2fy+c=0 in A and B an...

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  3. A chord of length 24 units is a distance of 5 units from the centre of...

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  4. The equation of a circle with centre (4,1) and having 3x+4y-1=0 as tan...

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  5. The intercept made by the circle x^(2)+y^(2)-4x-6y-3=0 on the line x+y...

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  6. The length of the tangent from (1,1) to the circle 2x^(2)+2y^(2)+5x+3y...

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  7. If P is a point such that the ratio of the squares of the lengths of t...

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  8. The locus of the point from which the length of the tangent to the cir...

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  9. The equation of the tangent to the circle x^(2)+y^(2)-4x+4y-2=0 at (1...

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  10. The tangent to the circle x^(2)+y^(2)-4x+2y+k=0 at (1,1) is x-2y+1=0 t...

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  11. The equation of the tangents to the circle x^(2)+y^(2)=25 with slope 2...

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  12. The equation of the tangents to the circle x^(2)+y^(2)=4 which are par...

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  13. The point of contact of y=x+3sqrt(2) with x^(2)+y^(2)=9 is

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  14. The circle to which two tangents can be drawn from origin is

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  15. The equation of the normal to the circle x^(2)+y^(2)+6x+4y-3=0 at (1,-...

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  16. The number of tangents to the circle x^(2)+y^(2)=5, that can be drawn ...

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  17. The circle with centre (4,-1) and touching x-axis is

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  18. Circle touching both the axes and radius 5 is

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  19. The circle 4x^(2)+4y^(2)-12x-12y+9=0

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  20. The equation of the circle of radius 5 and touching the coordinate axe...

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