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PQ is a tangent to the circle at T. If T...

PQ is a tangent to the circle at T. If TR = TS where R and S are points on the circle and `angleRST=65^(@)`, the `anglePTS` =

A

`65^@`

B

`130^@`

C

`115^@`

D

`55^@`

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CHAMPION PUBLICATION-2016 TIER-II PAPER(16)-EXERCISE
  1. If 2r = h + sqrt(r^(2) + h^(2)), then the ratio r : h (r ne 0) is:

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  2. In an equilateral triangle ABC, G is the centroid. Each side of the tr...

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  3. PQ is a tangent to the circle at T. If TR = TS where R and S are point...

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  4. In DeltaABC, AC = BC and angleABC = 50^(@), the side BC is produced to...

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  5. In a circle, a diameter AB and a chord PQ (which is not a diameter) in...

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  6. ABC is a triangle, PQ is line segment interseting AB in P and AC in Q ...

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  7. If the parallel sides of a trapezium are 8 cm and 4 cm, M and N are th...

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  8. DeltaABC is isosceles having AB = AC and angleA=40^(@) Bisectors PO an...

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  9. An equilateral triangle of side 6 cm is inscribed in a circle. Then ra...

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  10. In a circle with centre O, AB is a diameter and CD is a chord which is...

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  11. Two chords AB and CD of a circle with centre O intersect at P. If angl...

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  12. If x tan 60^@+ cos 45^@ = sec 45^@ then the value of x^2+ 1 is यदि x...

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  13. x,y, be two positive acute angles , x+ylt90^(@)andsin(2x-20^(@))=cos...

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  14. If a^(2)sec^(2)x-b^(2)tan^(2)x=c^(2) then the value of (sec^(2)x+t...

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  15. The value of (1+sec20^(@)+cot70^(@))(1-"cosec"20^(@)+tan70^(@)) is...

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  16. If tan^4 theta+ tan^2 theta=1 then the value of cos^4 theta+cos^2 thet...

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  17. The value of 8(sin^(6)theta+cos^(6)theta)-12(sin^(4)theta+cos^(4)the...

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  18. An aeroplane flying horizontally at a height of 3 Km. above the groun...

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  19. If the angle of elevation of the sun decreases from 45^(@) to30^(@) , ...

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  20. The angle of elevation of the top of a tower , vertically erected in t...

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