For doing some work Ganesh takes 10 days more than John. If both work together they will complete the work in 12 days. Find the number of days if Ganesh work alone.
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let number of days taken by John be 'x'
•°• no. of days of Ganesh=x+10
BY GIVEN CONDITION,
1/x+ 1/x+10 = 12,
and then cross multiply
you will get a quadratic eq.
12x^2 - 2x - 120 - 10
solve the eq to get value of x
which is equal to no. of days john took and x+12 = no. of days ganesh took !!
i hope this helps you
•°• no. of days of Ganesh=x+10
BY GIVEN CONDITION,
1/x+ 1/x+10 = 12,
and then cross multiply
you will get a quadratic eq.
12x^2 - 2x - 120 - 10
solve the eq to get value of x
which is equal to no. of days john took and x+12 = no. of days ganesh took !!
i hope this helps you
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29
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