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In triangle PQR, the internal angle bise...

In triangle PQR, the internal angle bisector of `angle Q` and `angle R` meets at O.If `angle QPR=70^@`, then what is the valtte (in degrees) of `angle QOR` ?
त्रिभुज PQR में, `angle Q` तथा `angle R` का आंतरिक द्विभाजक O पर मिलते हैं। यदि `angle QPR=70^@` हैं, तो `angle QOR` का मान (डिग्री में) क्या है?

A

A)45

B

B)125

C

C)115

D

D)110

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CHAMPION PUBLICATION-2017 TIER-II PAPER(12)-EXERCISE
  1. If x^(y + x ) = 1, y^(x + z) = 1024 and z^(x+ y) = 729 (x, y and z...

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  2. If x + y + z = 1, x^(2) + y^(2) + z^(2) = 2 and x^(3) + y^(3) + z^(3...

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  3. In triangle PQR, the internal angle bisector of angle Q and angle R me...

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  4. PQR is a triangle such that PQ = PR. RS and QT are the medians to the ...

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  5. PQR is a triangle. S and T are the midpoints of the sides PQ and PR re...

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  6. ABC is a triangle in which angleABC=90^(@),BD is perpendicular to AC. ...

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  7. Two parallel chords are on one side of the centre of a circle. The len...

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  8. Two circles of radius 4 cm and 6 cm touch each other internally. What ...

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  9. In the given figure, PT is a common tangent to three circles at points...

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  10. PQRS is a cyclic quadrilateral. PR and QS intersect at T. If angleSPR=...

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  11. In the given figure, anglePSR=105^(@) and PQ is the diameter of the ci...

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  12. There are two identical circles of radius 10 cm each. If the length of...

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  13. PQRS is a rectangle in which side of PQ = 24 cm. and QR= 16 cm. T is a...

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  14. In the given figure, ABCD and BEFG are squares of sides 8 cm and 6 cm ...

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  15. PQRS is a parallelogram and its area is 300 cm^2. Side PQ is extended ...

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  16. PQRST is a regular pentagon. If PR and QT intersects each other at X, ...

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  17. In the given figure, ABCDEF is a regular hexagon whose side is 12 cm. ...

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  18. ABCD passes through the centres of the three circles as shown in the ...

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  19. A= Area of the largest circle drawn inside a square of side 1 cm. B= S...

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  20. A prism has a square base whose side is 8 cm. The height of prism is 8...

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