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The angle of elevation of the sun when l...

The angle of elevation of the sun when length of the shadow of a pole is ` sqrt3` times the height of the pole is

A

`45^@`

B

`30^@`

C

`60^@`

D

`90^2`

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BEYOND PUBLICATION-MODEL PAPER-EXERCISE
  1. If tan x = ( 5)/( 12), then find sec x.

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  2. There is a tower beside the road, Rahim standing at the top of the tow...

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  3. A bag contains 6 yellow balls and some green balls. The probability of...

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  4. Ramu has a triangular site. He observes the corners of the triangular ...

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  5. Draw a circle of diameter 6 cm from a point 5 cm away from its centre ...

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  6. If slope of a line is “1” then the angle between the line and X -axis ...

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  7. (sec^4 - tan^4A)/(sec^2 A - tan^2 A)=………

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  8. The angle of elevation of the sun when length of the shadow of a pole ...

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  9. Three coins are tossed simultaneously then probability of getting at l...

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  10. The mean of a data set consisting of 20 observation is 40. If one obse...

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  11. From the figure if angle APB = 70^@ then angle AOB=…..

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  12. The following line has only one point in common to the circle

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  13. Which of the following is not possible?

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  14. Which of the following is correct?

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  15. In the figure angle B is an obtuse angle, then AC^2 =………..

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  16. Modal class of the following distribution is

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  17. Find the probability of existing 53 sundays in a common year.

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  18. Match the following.

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  19. (0,0) (0,1) (1,0) are verticies of a …………..triangle.

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  20. If two towers of height X and Y subtend angles of 30^(@)" and "60^(@) ...

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