1.

Antony and Vikash together can complete a piece of work in 20 days and Vikash alone can complete it in 25 days. In how many days can Antony alone complete the same work?1. 110 days2. 80 days3. 100 days4. 90 days

Answer» Correct Answer - Option 3 : 100 days

Ans: 3

Given: 

Antony and Vikash together can complete a piece of work in 20 days.

Vikash alone can complete it in 25 days.

Formula used:

one day work = 1/total days taken to complete the work

Calculation:

Antony's and Vikash's one day work = 1/20

Vikash's one day work = 1/25

Antony's one day work = 1/20 - 1/25

⇒ (5-4)/100 = 1/100

∴ Antony will complete the work in 100 days.

 

 

 

 

 

 



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