# CBSE Class 8 Answered

**Ram can do a job 15 days. His wife takes 20 days and his son finishes it in 25 days. How long will they take to complete the job if they all work together?**

Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM

Expert Answer

Time taken by Ram to do a work = 15 days 1 day's work of Ram =

Time taken by his wife to do a work = 20 days 1 day's work of his wife =

Time taken by his son to do a work = 25 days 1 day's work of his son =

Thus, 1 day's work of three persons =

Henec, all three together will complete the work in days.

Answered by | 04 Jun, 2014, 03:23: PM

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