Rajan can build a structure in 15 days. Sanjay can build the same structure in 18 days. Both Rajan and Sanja
start making the structure. But Sanjay goes after 6 days of work. How many days would be needed by Rajant
complete the structure?
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Rajan can build a structure in 15 days
Rajan can build 1/15 of the structure In 1 days
sanjay can build a structure in 18 days
sanjay can build 1/18 of structure In 1 days
Their combine work in 1 days =1/15+1/18
=6+5/90
=11/90
their combine work in 6 days =11/90×6=11/15
work that is left =1-11/15=4/15
Rajan can build 1/18 of structure in 1 day
Rajan can build 4/15 of structure in 18×4/15=24/5 days
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