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Somari sweeps 600 m long railway platfor...

Somari sweeps 600 m long railway platform in `2 1/2` hours. His wife Imarati sweeps `2/3` rd of the same platform in `1 1/2` hours. Who sweeps more speedily?

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Verified by Experts

Speed of somari= `600/(5/2)`
=`120*2=240 `m/hr
speed of his wife is `2/3*600/(3/2)`
=`400*2/3`
=`800/3=266` m/hr.
Therefore his wife sweeps speedily
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