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To complete a work, A takes 50% more time than B. If together they take 18 days to complete the work, how much time shall B take to do it?
  • a)
    30 days
  • b)
    35 days
  • c)
    40 days
  • d)
    45 days
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
To complete a work, A takes 50% more time than B. If together they tak...
We have,
B = 3/2*A
→ 
A = 2/3*B
One day's work, (A+B) = 1/18
(2/3*B+B) = 1/18
5/3*B = 1/18
One day's work of B = 3/90
B alone can complete the work in,
= 90/3
= 30 days.
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Community Answer
To complete a work, A takes 50% more time than B. If together they tak...
Let us take B can complete the work in x days
then A can complete in x+1/2 =3x/2 A/Q
Now it is given that A and B together complete in 18 days
so, using together formula (3x/2*x)/(3x/2+x)=18
now solve for x
x will be 30 days answer
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To complete a work, A takes 50% more time than B. If together they take 18 days to complete the work, how much time shall B take to do it?a)30 daysb)35 daysc)40 daysd)45 daysCorrect answer is option 'A'. Can you explain this answer?
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