A girl walking at the rate of 9 Km per hour crosses a square field diagonally in 12 seconds. The area of the field is:

A girl walking at the rate of 9 Km per hour crosses a square field

1.	A girl walking at the rate of 9 Km per hour crosses a square field diagonally in 12 seconds. The area of the field is:
A.	400 Sq.m
B.	450 Sq.m
C.	500 Sq.m
D.	550 Sq.m
Answer» C. 500 Sq.m

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A girl walking at the rate of 9 Km per hour crosses a square field diagonally in 12 seconds. The area of the field is:

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