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Quantitative Aptitude

TIME AND WORK MCQs

Time & Work, Work And Wages

Total Questions : 1512 | Page 13 of 152 pages
Question 121. A and B working separately can do a piece of work in 9 and 15 days respectively. If they work for a day alternatively, with A beginning, then the work will be completed in ?
  1.    10 days
  2.    11 days
  3.    9 days
  4.    12 days
 Discuss Question
Answer: Option B. -> 11 days
Question 122. 12 monkeys can eat 12 bananas in 12 minutes. In how many minutes can 4 monkeys eat 4 bananas ?
  1.    4 minutes
  2.    10 minutes
  3.    12 minutes
  4.    8 minutes
 Discuss Question
Answer: Option C. -> 12 minutes
Question 123. Two worker A and B are engaged to do a piece of work. A working alone would take 8 hours more to complete the work that when work together. If B worked alone, would take $${\text{4}}\frac{1}{2}$$ hours more than when working together. The time required to finish the work together is = ?
  1.    5 hours
  2.    8 houras
  3.    4 hours
  4.    6 hours
 Discuss Question
Answer: Option D. -> 6 hours
Question 124. X can copy 80 pages in 20 hours, x and y together can copy 135 pages in 27 hours. Then y can copy 20 pages in ?
  1.    20 hours
  2.    24 hours
  3.    3 hours
  4.    12 hours
 Discuss Question
Answer: Option A. -> 20 hours
Question 125. 12 men can do a piece of work in 24 days. How many days are needed to complete the work, if 8 men do this work ?
  1.    28 days
  2.    36 days
  3.    48 days
  4.    52 days
 Discuss Question
Answer: Option B. -> 36 days
Question 126. A can do in one day three times the work done by B in one day. They together finish $$\frac{2}{5}$$ of the work in 9 days. The number of days by which B can do the work alone is = ?
  1.    90 days
  2.    120 days
  3.    100 days
  4.    30 days
 Discuss Question
Answer: Option A. -> 90 days
Question 127. If 4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days, then 10 women complete it in ?
  1.    35 days
  2.    50 days
  3.    45 days
  4.    40 days
 Discuss Question
Answer: Option D. -> 40 days
Question 128. A can do a piece of work in 12 days and B in 24 days. If they work together, in how many days will they finish the work ?
  1.    20 days
  2.    8 days
  3.    12 days
  4.    15 days
 Discuss Question
Answer: Option B. -> 8 days
Question 129. A, B and C can complete a piece of work in 24, 5 and 12 days respectively. Working together, they will complete the same work in ?
  1.    $$\frac{7}{{24}}{\text{days}}$$
  2.    $${\text{3}}\frac{3}{7}{\text{days}}$$
  3.    $${\text{4 days}}$$
  4.    $${\text{3}}\frac{1}{{13}}{\text{days}}$$
 Discuss Question
Answer: Option D. -> $${\text{3}}\frac{1}{{13}}{\text{days}}$$
Question 130. Amit, Bhawana and Chandan can do a piece of work, working together in one day only. Amit is 5 times efficient than Bhawna and Chandan takes half of the number of days taken by Bhawna to do the same work. What is the difference between the number of days taken by Amit and Chandan when they work alone ?
  1.    4
  2.    5
  3.    3
  4.    $${\text{2}}\frac{2}{5}$$
 Discuss Question
Answer: Option D. -> $${\text{2}}\frac{2}{5}$$

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