Question

Saleem can type 30 words per minute and Ranjit can type 50 words per minute. If Saleem needs 30 minutes to finish typing a piece of work, how long will Ranjit take to finish the same work?

Answer 1

For saleem ,
30words -> 1 minute
therefore for 30 minutes he'll type
30(30) words-> 30 minutes
900 words -> 30 minutes

For Ranjit ,
50 words -> 1 minute
therefore for 900 words he'll take x minutes
900 words-> 1(x) minutes
50(18) words -> 1(x) minutes
Comparing we get , he'll take 18 minutes.


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