A train travels $240 k m i n 3 h o u r s$ and a bus travels $140 k m i n 2 h o u r s$ . Find the ratio of their speeds.

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Solution

As given, A train travels $240 k m i n 3 h o u r s$ so,
$S p e e d = \frac{d i s \tan c e}{t i m e} = \frac{240}{3} = 80 k m / h r$
Also a bus travels $140 k m i n 2 h o u r s$ .
Here, $S p e e d = \frac{140}{2} = 70 k m / h r$
Now ratios $\frac{80 k m / h r}{70 k m / h r} = \frac{8 \times 10}{7 \times 10} = \frac{8}{7}$
Hence Required ratio is $8 : 7$

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