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In DeltaABC, I and O are incentre and ci...

In `DeltaABC`, I and O are incentre and circumcentre, AI is extended which meet circumcircle at D. If `angleBOD=z^(@), angleBID=y^(@) and angleABC=x^(@)` then `(x^(@)+y^(@))/(3y^(@))` is-

A

`(2)/(3)`

B

`(1)/(3)`

C

`(4)/(3)`

D

1

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MOTHERS-GEOMETRY -MULTIPLE CHOICE QUESTIONS
  1. In DeltaABC, the angle bisector of angleBAC cut BC at D and meet the c...

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  2. AD is perpendicular on angle bisector of angleABC of DeltaABC. A line ...

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  3. In DeltaABC, I and O are incentre and circumcentre, AI is extended whi...

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  4. In a given figure PQ = 24 cm. and M, N is mid point of QR and ST, MN |...

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  5. In a given figure, if AB = a, AC = 4 cm, where O is centre of circle a...

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  6. In a parallelogram ABCD P is mid-point of side AB. From B a side paral...

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  7. In a given figure DE||BC and EC||ND, AE : EB = 4 : 5 then find EN : EB...

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  8. In a given figure if (DE)/(BC)=(2)/(3) and if AE = 12 then find AB.

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  9. In a given figure, AD = 11 cm, AB = 18 cm and AE = 9 cm then find EC.

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  10. In the given figure, if AB = BC = CD = EF = DE = AG = FG then find x?

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  11. In a triangle ABC, angle B=angleC=78^(@). D & E are two points on side...

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  12. If angleA=44^(@), BP = BR and CN = RC then find anglePRN = ?

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  13. ABCD is a rhombus, AB is extended to F and BA to E such that AB = AE =...

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  14. In DeltaABC, the median AD, BE and CF at G. then which of the followin...

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  15. In DeltaABC, angleC is obtuse. The exteral bisector of angleA and angl...

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  16. P and Q are two points on circle with centre O. The point R is on the ...

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  17. Two lines PQ and RS cut each other at X such that XP = XR. If anglePSX...

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  18. Two circles with centres P and Q intersect at B and C, A, D are points...

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  19. O and C are respectively orthocentre and circumcentre of a Delta PQR. ...

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  20. E is a mid point of median AD in DeltaABC. On extending BE it cut AC a...

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