Q 1832834732.     A man wants to reach from A to the opposite corner of the square C. The
sides of the square are 100 m. A central square of `50m xx 50m` is filled
with sand. Outside this square, he can walk at a speed `1 m//s`. In the
central square, he can walk only at a speed of `v m//s (v < 1)`. What is
smallest value of `v` for which he can reach faster via a straight path
through the sand than any path in the square outside the sand?

NCERT Exemplar 03/37/LAT

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