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Aman , Amit and Ajay together finish a certain work in 4 days . If Aman alone can finish it in 8 days and Amit can finish it in 20 days , find how long will Ajay take to finish the work alone ?​

 Sep 6, 2021
 #1
avatar+34304 
+1

1/8   +  1/20  + 1/X   =   1/4

 

x = ajay time  

 Sep 6, 2021
 #2
avatar+12194 
+1

Find how long will Ajay take to finish the work alone ?​

 

Hello Guest!

 

\(4(\frac{1}{8day}+\frac{1}{20day})=\frac{1}{x}\\ \frac{1}{2day}+\frac{1}{5day}=\frac{1}{x}\\ \frac{5+2}{10day}=\frac{1}{x}\\ x= \color{blue}\frac{10}{7}day\)

\(1\frac{3}{7}\) day it will be Ajay take to finish the work alone.​

laugh  !

 Sep 6, 2021

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