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Choose the correct option.
A' and 'B' complete a work togather in 8 days.If 'A' alone can do it in 12 days.Then how many day 'B' will take to complete the work?
A25 days
B24 days
C20 days
DNone of these
Answer: Option (Login/Signup)
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SHORTCUT
A = 12, A+B = 8, B = ?
Take LCM of A & A+B = 24.
So, A=12*2 = 24, A+B = 8*3 = 24, B = 1*24 = 24.
Answer: B = 24days.
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SHORTCUT
A = 12, A+B = 8, B = ?
Take LCM of A & A+B = 24.
So, A=12*2 = 24, A+B = 8*3 = 24, B = 1*24 = 24.
Answer: B = 24days.
Read Full Answer
Report Error
Please Login First Click Here
