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In the adjoining figure PQ, QB and RC ar...

In the adjoining figure PQ, QB and RC are each perpendicular to AC. Which one of the following is true :

A

`x+y=z`

B

`xy=2z`

C

`(1)/(x)+(1)/(y)=(1)/(z)`

D

`(1)/(x)+(1)/(y)+(1)/(z)=0`

Text Solution

Verified by Experts

The correct Answer is:
C
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ARIHANT SSC-GEOMETRY-INTRODUCTORY EXERCISE - 12.2
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  2. AB, EF and CD are parallel lines. Given that EG = 5 cm, GC = 10 cm, AB...

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  3. In the adjoining figure PQ, QB and RC are each perpendicular to AC. Wh...

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  4. In the ajoining figure the angle BAC and angleADB are right angles . ...

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  5. The areas of the similar triangles are the ratio of 25:36. What is the...

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  6. In the given diagram AB||CD, then which one of the following is true ?

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  7. The bisector of the exterior angleA of DeltaABC intersects the side BC...

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  8. The diagonal BD of a quadrilateral ABCD bisects angleB and angleD, the...

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  9. Two right triangles ABC and DBC are drawn on the same hypotenues BC on...

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  10. A man goes 150 m due east and then 200 m due north. How far is he from...

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  11. From a point O in the interior of a DeltaABC perpendiculars OD, OE and...

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  12. In an equilateral triangle ABC, the side BC is trisected at D. Find th...

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  13. A B C is a triangle in which /A=90o,\ \ A N|B C ,\ \ B C=12 c m and...

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  14. A vertical stick 15 cm long casts it shodow 10 cm long on the gound. A...

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  15. Vertical angles of two isoceles triangles are equal. Then correspondin...

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  16. In the figure DeltaABC~DeltaPQ. If BC=8cm, PQ=4cm, AP=2.8cm, find CA :

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  17. In the figure BC||AD. Find the value of x :

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  18. Delta ABC is an equilateral triangle of side 2a units. Find each of i...

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  19. In figure AD is the bisector of angleBAC. If BD = 2 cm, CD = 3 cm and ...

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  20. In the figure AB||QR. Find the length of PB:

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