Question:A man walking at the speed of 4 kmph crosses a square filed diagonally in 3 minutes. The area of the filed is : 

A `18000 m^2` 
B `20000 m^2` 
C `19000 m^2` 
D `25000 m^2` 

+ Answer
B 

+ Explanation
Length of diagonal = Distance covered in 3 min.at 4 km/hr

+ Report

Irin Moni

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