Walking at $\frac{3}{5}$ of his unusual speed , a man is 4 hours late. Find his usual time in hr

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Solution

The correct option is B 6
$I f s p e e d = 1, u s u a l t i m e = x I f s p e e d = \frac{3}{5} t i m e = x + 4 S i n c e d i s t a n c e i s t h e s a m e . . . 1 (x) = \frac{3}{5} (x + 4) 5 x = 3 x + 12 2 x = 12 x = 6 h r s$

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