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There is a tower beside the road, Rahim ...

There is a tower beside the road, Rahim standing at the top of the tower observes two cars A and B on either side of the tower at an anglea of depression `30^@` and `60^@` are approaching the foot of the tower with a uniform speed of `10m/sec` and 5m/sec respe ctviely.If the height of the tower is `100sqrt 3`, then find the whihc car reaches the tower first and how many seconds the other car is late by the first one.

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BEYOND PUBLICATION-MODEL PAPER-EXERCISE
  1. Vertices of a triangle ABC are A (3,5) B(7,4) and C (10,8). The mid po...

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  2. If tan x = ( 5)/( 12), then find sec x.

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

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

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

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

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

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

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

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

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

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

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

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  14. Which of the following is not possible?

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  15. Which of the following is correct?

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

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  17. Modal class of the following distribution is

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

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  19. Match the following.

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  20. (0,0) (0,1) (1,0) are verticies of a …………..triangle.

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