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Quantitative Aptitude

TIME AND WORK MCQs

Time & Work, Work And Wages

Total Questions : 1512 | Page 11 of 152 pages
Question 101. A's 2 days work is equal to B's 3 days work. If A can complete the work in 8 days, then to complete the work B will take ?
  1.    15 days
  2.    12 days
  3.    16 days
  4.    14 days
 Discuss Question
Answer: Option B. -> 12 days
Question 102. If A, B and C can complete a piece of work in 6 days. If A can work twice faster than B and thrice faster then C, than the number of days C alone can complete the work is ?
  1.    44 days
  2.    33 days
  3.    22 days
  4.    11 days
 Discuss Question
Answer: Option B. -> 33 days
Question 103. If 3 men or 9 boys can finish a piece of work in 21 days, in how many days can 5 men and 6 boys together do the same piece of work ?
  1.    8 days
  2.    12 days
  3.    14 days
  4.    Cannot be determined
  5.    None of these
 Discuss Question
Answer: Option E. -> None of these
Question 104. A can do half of a piece of work in 1 day,where B can do full. B can do half the work as C in 1 day. The ratio of their efficiencies of work is = ?
  1.    1 : 2 : 4
  2.    2 : 1 : 4
  3.    4 : 2 : 1
  4.    2 : 4 : 1
 Discuss Question
Answer: Option A. -> 1 : 2 : 4
Question 105. If 2 men or 6 women or 4 boys can finish a work in 99 days, how many days will one man, one woman and one boy together take to finish the same work ?
  1.    44 days
  2.    54 days
  3.    64 days
  4.    104 days
  5.    None of these
 Discuss Question
Answer: Option E. -> None of these
Question 106. 8 men can complete a piece of work in 20 days. 8 women can complete the same work in 32 days. In how many days will 5 men and 8 women together complete the same work ?
  1.    10 days
  2.    12 days
  3.    14 days
  4.    16 days
  5.    None of these
 Discuss Question
Answer: Option D. -> 16 days
Question 107. A can do 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 are ?
  1.    120 days
  2.    100 days
  3.    30 days
  4.    90 days
 Discuss Question
Answer: Option D. -> 90 days
Question 108. A can write 75 pages in 25 hours. A and B together can write 135 pages in 27 hours. In what time can B write 42 pages ?
  1.    17 hrs
  2.    19 hrs
  3.    21 hrs
  4.    23 hrs
 Discuss Question
Answer: Option C. -> 21 hrs
Question 109. A and B can complete a piece of work in 12 and 18 days respectively. A begins to do the work and they work alternatively one at a time for one day each. The whole work will be complete in ?
  1.    $${\text{14}}\frac{1}{3}{\text{ days}}$$
  2.    $${\text{15}}\frac{1}{3}{\text{ days}}$$
  3.    $${\text{16}}\frac{1}{3}{\text{ days}}$$
  4.    $${\text{18}}\frac{2}{3}{\text{ days}}$$
 Discuss Question
Answer: Option A. -> $${\text{14}}\frac{1}{3}{\text{ days}}$$
Question 110. A labourer was appointed by a contractor on the condition he would be paid Rs. 75 for each day of his work but would be, fined at the rate of Rs. 15 per day for his absent. After 20 days, the contractor paid the labourer Rs. 1140. The number of days the labourer absented from work was ?
  1.    3 days
  2.    5 days
  3.    4 days
  4.    2 days
 Discuss Question
Answer: Option C. -> 4 days

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