TS ICET 23 May 2019 Shift 1 Paper

Question : 106 of 200

Marks: +1, -0

The area of square field is 8450

m^2

. The time taken by a person to cross the field diagonally with a speed of 3 kmph, (in minutes) is

Solution:

Let the diagonal of the square be d. The given area of square field

= 8450 m^2

⇒ \;{1}/{2} d ^{2}=8450 ⇒ d =130 m

The time taken to cross the distance

=\;{\;\text " Distance "\;}/{\;\text " Speed "\;}=\;{130 m }/{3000 m{/}60min }

=13 /5

minutes

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