29. Five mark exercise problems VII

$4$ Indians and $4$ Chinese can do a piece of work in $3$ days. While $2$ Indians and $5$ Chinese can finish it in $4$ days. How long would it take for $1$ Indian to do it? How long would it take for $1$ Chinese to do it?

 

Answer:

 

Time taken by $1$ Indian is  days and time taken by $1$ Chinese is  days.