pintu takes 6 days more than those of nishu to complete certain work if they work together they finish it in 4 days how many days would it take to complete the work if they work alone
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let nishu takes X days
then pintu takes X+6 days
in 1 day they can complete =1/X+1/X+6
1 work they can complete in X(X+6)/2X+6
X(X+6)/2X+6=4
X=6 days
then pintu takes X+6 days
in 1 day they can complete =1/X+1/X+6
1 work they can complete in X(X+6)/2X+6
X(X+6)/2X+6=4
X=6 days
sanjaydagade78p8723y:
please explain 1/x+1/x+6
it's 1/x+1/(x+6)
in 1 day nishu complete 1/x
in 1 day pintu completes 1/(x+6) work
then together in 1 day they complete 1/x+1/(x+6) work
thank you
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