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Numerical Ability
Time and Work
A, B and C can do a piece of work in 40, 30 and 24 days respectively. They start the work together but B leaves 6 days before the completion of the work. In how many days is the work completed? [A]14 [B]12 [C]13 [D]11
Read Solution (Total 1)
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- 40,30,24 lcm is 120
x/40+(x-6)/30+x/24
(5x+4(x-6)+3x)/120
12x-24/120
12x=144
x=144/12
x=12 - 5 years agoHelpfull: Yes(1) No(2)
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