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The number of common tangents to the cir...

The number of common tangents to the circles `x^2+y^2=4` and `x^2+y^2-6x-8y-24=0` is

A

0

B

1

C

3

D

4

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PATHFINDER-CIRCLE-QUESTION BANK
  1. An isosceles triangle ABC inscribed in a circle x^2+y^2=a^2 with the v...

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  2. The equation of circumcircle of an equilateral triangle is x^2+y^2+2gx...

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  3. The number of common tangents to the circles x^2+y^2=4 and x^2+y^2-6x-...

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  4. If the points (0,0),(1,0),(0,1) and (t,t) are concyclic, then t=

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  5. If a circle of constant radius 3K passes through the origin and meets ...

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  6. The equation of the circle which touches the axis of y at the origin a...

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  7. Area of the circle in which a chord of length sqrt2 makes an angle pi/...

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  8. The greatest distance of the point P (10,7) from the circle x^2+y^2-4x...

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  9. The length of the chord cut off by y=2x+1 from the circle x^2+y^2=2 is

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  10. The common chord of x^2+y^2-4x-4y=0 and x^2+y^2=16 subtends at the ori...

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  11. If the line hx+ky=1 touches x^2+y^2=a^2 , then the locus of the point ...

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  12. The number of tangents that can be drawn from the point (8,6) to the c...

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  13. If the point (k+1,k) lies inside the region bound by the curve x=sqrt(...

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  14. The tangents drawn from the origin x^2+y^2+2gx+2fy+f^2=0 are perpendic...

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  15. Two circles with radii a and b touch each other externally such that t...

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  16. If (a,0) is a point on a diameter of the circle x^2+y^2=4, then x^2-4x...

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  17. If (alpha ,beta) is a point on the circle whose centre is on the x-axi...

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  18. Three concentrict circles of which the biggest is x^2+y^2=1 , have the...

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  19. A circle of constant radius 'r' passes through origin O and cuts the a...

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  20. For each natural number k, let Ck denotes the circle with radius k uni...

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