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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.
In a certain code language, ‘AROUND’ is coded as ‘52182412144’ and ‘FIX’ is coded as ‘63624’. How will &...
In a certain code language, ‘Black and red’ is written as ‘pg fu la’, ‘car white blue red is written as ‘# fp lm la’. What is the code fo...
If in a certain code language “PRODUCT” is coded as ‘320’, ‘LOAFER’ is coded as ‘216’, then, ____ is coded as ‘16’ in the same code ...
In a certain code language, 'PERMIT' is written as 'VVLNOG'. How will 'INERTIA' be written in that language?
If in a certain code language ‘Permanent flight is coded as ‘36 24’ and ‘Objects Images’ is coded as ‘28 24’. Find the code work for ‘ m...