a b and c can do a piece of work in 15,12 and 20 days respectively they started the work together but C left after 2 days in how many days will the remaining work be completed by a and b
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86
I skip 1 step above so
2 day work of A+B+C=24
Work left=36
A+b=9
Remaining work will be completed in =36/9=4 days
This is ur ans hope it will help you in case of any doubt comment below
2 day work of A+B+C=24
Work left=36
A+b=9
Remaining work will be completed in =36/9=4 days
This is ur ans hope it will help you in case of any doubt comment below
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Answered by
294
one day's work =a+b+c =1/15+1/12+1/20=1/5
2 day's work of a,b,c together=2×1/5=2/5
Remaining work=1-2/5=3/5
Combine work of both a,b=1/15+1/12=3/20
The no. of days taken by a,b to finish the remaining work =3/5÷3/20=4
Anwer is 4
2 day's work of a,b,c together=2×1/5=2/5
Remaining work=1-2/5=3/5
Combine work of both a,b=1/15+1/12=3/20
The no. of days taken by a,b to finish the remaining work =3/5÷3/20=4
Anwer is 4
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