bob does 2/7 of a work in 1 hour how long will he takes to do the remaining job
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To find :
We have to find the time taken to do the complete work where 2/7 of the work can be done in 1 hour.
Answer :
The remaining job can be done in 5/2 hours
Solution :
Let, the complete work = 1
Work done = 2/7
Work left to do = 1 - 2/7 = 5/7
2/7 work can be done in 1 hour
1 work can be done in 7/2 hours
5/7 work can be done in (7/2 × 5/7)
= 5/2 hours
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