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Let the height of the building be h. D the man standing on the top of the building. Now, from figure, AB = x and BC = y tan 60⁰ = h/y h = y√3 And tan 30⁰ = h/(x+y) 1/√3 = (y√3)/(x+y) 3y = x+y 2y = x y = x/2 Since, Time taken to cover a distance from A to B = 8 minutes ∴ Time taken to cover a unit distance = 8/x minutes For distance ‘y’ time taken = 8/x × y = 8/x × x/2 = 4 minutes.
Who was the President of the World Bank Group as of January, 2020?
_____ took over the rotating presidency of the Council of the European Union for six months.
Into which of the following does the Nile River discharge?
Which of the following is the first payment bank of India
In building the iconic monument of India the Taj Mahal which city of rajasthan played an important role in by supplying marbles?
Who was the last Guru of Sikhs?
Who is the MD&CEO of Bank of Baroda?
Who was integral to the establishment of Fergusson College?
Periyar National Park is located in which Indian state?
Which gland disapear during old age?