Home
Class 11
MATHS
Two pillars of equal height stand at a d...

Two pillars of equal height stand at a distance of 100 metres. At a point between them the elevation of their tops are found to be `30^(@) and 60^(@)`. Then height of the each pillar in metres is

A

`25sqrt(3)`

B

`20sqrt(3)`

C

`50sqrt(3)`

D

`35sqrt(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • HEIGHTS AND DISTANCES

    AAKASH SERIES|Exercise PRACTICE SHEET Exercise-I (Level-II) (Straight Objective Type Questions)|13 Videos

  • HEIGHTS AND DISTANCES

    AAKASH SERIES|Exercise LECTURE SHEET Exercise-I (Straight Objective Type Questions)|27 Videos

  • FUNCTIONS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|50 Videos

  • HYPERBOLIC FUNCTIONS

    AAKASH SERIES|Exercise PRACTICE SHEET EXERCISE-II (STRAIGHT OBJECTIVE TYPE QUESTIONS)|18 Videos

Similar Questions

Explore conceptually related problems

A person walking along a straight road towards a hill observes at two points distances sqrt3 km. The angle of elevation of the hill to be 30^@ and 60^@ . The height of the hill is

In a prison wall there is a window of 1 metre height, 14 metres from the ground. An observer standing at a distance from the wall finds the angle of elevation of the top of the window and the top af the wall to be 45^(@) and 60^(@) respectively. The height of the wall above the window is

From a point 30 mts from the foot of a tower, the angle of elevation of the top is 30^@ . The height of the tower is………..

The elevation of an object on a hill is observed from a certain point in the horizontal plane through its base, to be 30^@ . After walking 120 metres towards it on level ground the elevation is found to be 60^@ . Then the height of the object (in metres ) is

Two poles of equal height are standing opposite to each other on either sidef of the road, which is 120 feet wide. From a point between then on the road, the angles of elevation of the top of the poles are 60^(@)" and "30^(@) respectively. Find the height of the poles and the distances of the point from the poles.

A flag staff of length 10 mt stands on a tower if from a point on the ground , the angle of elevation of the foot and the top of the flagstaff are 45 ^(@) and 75 ^(@) then height of the tower is

Two poles of equal height are standing opposite to each other on either side of the road, which is 80 m wide. From a point between then on the road, the angles of elevation of top of the poles are 60^(@)" and "30^(@) . Find the height of poles.

The elevation of top of a hill is observed from a certain point in the horizontal plane through its base, to be 30^(@) . After walking 120 meters towards it on level ground the elevation is found to be 60^(@) . Then the height of the object (in meters) is

AAKASH SERIES-HEIGHTS AND DISTANCES-PRACTICE SHEET Exercise-I (Level-I) (Straight Objective Type Questions)
  1. The elevation of an object on a hill is observed from a certain point...

    Text Solution

    |

  2. The sum of angles of elevation of the top of a tower from two points d...

    Text Solution

    |

  3. Two pillars of equal height stand at a distance of 100 metres. At a po...

    Text Solution

    |

  4. The angle of elevation of the top of an unfinished tower from a point ...

    Text Solution

    |

  5. In a prison wall there is a window of 1 metre height, 14 metres from t...

    Text Solution

    |

  6. The angles of elevation of a tower from two points which are at distan...

    Text Solution

    |

  7. The angle of elevation of the top of a tower from the top and botton o...

    Text Solution

    |

  8. A flag staff of length 'd' stands on tower of height h. IF at a point ...

    Text Solution

    |

  9. The tops of two poles of heights 10 metres and 12 metres are connected...

    Text Solution

    |

  10. At a certain point the angle of elevation of a tower is found to be co...

    Text Solution

    |

  11. The length of the shadow of vertical pole of height h, thrown by the s...

    Text Solution

    |

  12. A person observes the top of a tower from a point A on the ground. the...

    Text Solution

    |

  13. From the top of a tree, a man observes the angle of deppression of a p...

    Text Solution

    |

  14. From the top of a chiff 30 metres high, the angle of elevation of the ...

    Text Solution

    |

  15. A tower subtends an angle alpha at a point A on the same level as the ...

    Text Solution

    |

  16. From the top of the hill h meers high the angles of depressinons of th...

    Text Solution

    |

  17. The angle of elevation of a stationar cloud from a point 2500 m above ...

    Text Solution

    |

  18. The angle of elevation of the top point P of a vertical tower PQ of he...

    Text Solution

    |

  19. The angle of elevation of the top of the tower is 45^(@) on walking up...

    Text Solution

    |

  20. A flag-staff stands on a tower which is on level ground. The total hei...

    Text Solution

    |