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In the given figure, AOB is a straight l...

In the given figure, AOB is a straight line. If `angleAOC=(3x-10)^(@), angleCOD=50^(@)` and `angleBOD=(x+20)^(@)` then `angleAOC=?`

A

`40^(@)`

B

`60^(@)`

C

`80^(@)`

D

`50^(@)`

Text Solution

Verified by Experts

The correct Answer is:
C
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RS AGGARWAL-LINES AND ANGLES-Multiple Choice Questions (Mcq)
  1. An angle which measures more than 180^(@) but less than 360^(@), is ca...

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  2. The measure of an angle which is five times its complement. The angle ...

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  3. Two complementary angles are such that twice the measure of the one is...

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  4. In the given figure, AOB is a straight line. If angleAOC=4x^(@) and an...

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  5. In the given figure, AOB is a straight line. If angleAOC=(3x+10)^(@) a...

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  6. In the given figure, AOB is a straight line. If angleAOC=(3x-10)^(@), ...

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  7. Which of the following statements is false ?

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  8. An angle is one fifth of its supplement. The measure of the angle is

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  9. In the adjoining figure, AOB is a straight line. If x:y:z=4 : 5 : 6, t...

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  10. In the given figure, straight lines AB and CD intersect at O. If angle...

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  11. straight lines AB and CD intersect at O. If angleAOC+angleBOD=130^(@) ...

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  12. In the given figure, AB is a mirror, PQ is the incident ray and QR is ...

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  13. In the given figure, AB||CD. If angleBAO=60^(@) and angleOCD=110^(@) t...

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  14. In the given figure, AB||CD. If angleAOC=30^(@) and /OAB=100^(@) then ...

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  15. In the given figure, AB||CD. If angleCAB=180^(@) and angleEFC=25^(@) t...

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  16. In the given figure AB||CD and CD||EF. If y : z=3 : 7 then x=?

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  17. In the given figure, AB||CD. If angleAPQ=70^(@) and anglePRD=120^(@) t...

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  18. In the given figure, AB||CD. If angleEAB=50^(@) and angleECD=60^(@) th...

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  19. In the given figure, angleOAB=75^(@), angleOBA=55^(@) andangleOCD=100^...

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  20. In the adjoining figure, what is the value of y ?

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