Question:

  1. If 12 men and 16 boys can do a piece of work in 5 days and 13 men and 24 boys can do it in 4 days, how long will 7 men and 10 boys take to do it?

Options:
A.8 days
B.\(8\frac{1}{3}\) days
C.9 days
D.\(9\frac{1}{3}\) days
Answer: Option B

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More Questions Related to Quantitative Aptitude > Time & Work :

Question 1.

  1. To do a certain piece of work, B would take three times as long as A and C together, and C twice as long as A and B together. The three men together can complete the work in 10 days. How long would A, B and C separately take to complete the work (in days)?

Options:
  1.    20 , 30 , 40
  2.    24 , 40 , 30
  3.    30 , 40 , 24
  4.    40 , 30 , 20
Answer: Option B
Question 2.

  1. How many days will 12 women take to do a piece of work which 10 men take 15 days to complete, if 3 women do as much work as 2 men?

Options:
  1.    16.75
  2.    17.75
  3.    18.75
  4.     none of these
Answer: Option C
Question 3.

  1. 3 men can do a piece of work in 6 days. After 2 days 3 more men joined them. How many days will they take to complete the remaining work?

Options:
  1.    2 days
  2.    3 days
  3.    4 days
  4.    5 days
Answer: Option A
Question 4.

  1. A and B working alone can finish a piece of work in 8 and 7 days respectively. If they work at it alternately for a day, A beginning, in how many days will the work be finished?

Options:
  1.    \(6\frac{1}{2}days\)
  2.    7 days
  3.    \(7\frac{1}{2}days\)
  4.    8 days
Answer: Option C
Question 5.

  1. Twenty men can finish a piece of work in 30 days. After how many days should 5 men leave, so that the work may be finished in 35 days?

Options:
  1.    9 days
  2.    12 days
  3.    15 days
  4.    18 days
Answer: Option C
Question 6.

  1. A is thrice as good a workman as B. He is able to finish a piece of work in 60 days less than B. Find the time in which they can do it working together.

Options:
  1.    \(22\frac{1}{2}\)  days
  2.    25 days
  3.    \(27\frac{1}{2}\)
  4.    30 days
Answer: Option A