Question 148

21 typists complete a project in 8 days. In how many days 15 typists will complete the project?


21 typists can do the full work in 8 days.

1 typist can do $$(1/168)$$part of job in 1 day.

So, 1 typist can do full job in 168 days.

or,15 typists can do full job in $$(168/15)=11.2$$ days.

A is correct choice.

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