Time And Work(Quantitative Aptitude ) Questions and answers for exam Preparation

Quantitative Aptitude

TIME AND WORK MCQs

Time & Work, Work And Wages

Total Questions : 1512 | Page 15 of 152 pages

Question 141. 18 men or 36 boys working 6 hours a day can plough a field in 24 days. In how many days will 24 men and 24 boys working 9 hours a day plough the same field ?

9 days
10 days
6 days
8 days

Discuss Question

Answer: Option D. -> 8 days

Question 142. A can do $$\frac{1}{3}$$ rd of a work in 5 days and B can do the do $$\frac{2}{5}$$ th of this work in 10 days. Both A and B, together can do the work in ?

$${\text{ 7}}\frac{3}{8}{\text{ days}}$$
$${\text{8}}\frac{4}{5}{\text{ days}}$$
$${\text{9}}\frac{3}{8}{\text{ days}}$$
10 days

Discuss Question

Answer: Option C. -> $${\text{9}}\frac{3}{8}{\text{ days}}$$

Question 143. A and B undertake a piece of work for Rs. 250. A alone can do that work in 5 days and B alone can do that work in 15 days. With the help of C, they finish the work in 3 days. If every one gets paid in proportion to work done by them, the amount C will get is ?

Rs. 50
Rs. 100
Rs. 150
Rs. 200

Discuss Question

Answer: Option A. -> Rs. 50

Question 144. A is twice as good as B and together they finish a piece of work in 16 days. The number of days taken by A alone to finish the work is = ?

20 days
21 days
22 days
24 days

Discuss Question

Answer: Option D. -> 24 days

Question 145. A and B can together do a piece of work it in 6 days and A alone can do it in 9 days. The number of days B will take to do it alone is ?

18 days
24 days
9 days
12 days

Discuss Question

Answer: Option A. -> 18 days

Question 146. A can do a piece of work in 18 days. He worked at it for 12 days and B finished the remaining work in 8 days. B alone can do the whole work in ?

16 days
24 days
35 days
28 days

Discuss Question

Answer: Option B. -> 24 days

Question 147. A and B can do a work in 8 days, B and C can do the same work in 12 days. A, B and C together can finish it in 6 days. A and C together will do it in ?

4 days
6 days
8 days
12 days

Discuss Question

Answer: Option C. -> 8 days

Question 148. A can do a certain job in 12 days and B is 60% more efficient than A. The B can do the same piece of work in ?

$${\text{8 days}}$$
$${\text{7}}\frac{1}{2}{\text{ days}}$$
$${\text{6}}\frac{1}{4}{\text{ days}}$$
$${\text{6 days}}$$

Discuss Question

Answer: Option B. -> $${\text{7}}\frac{1}{2}{\text{ days}}$$

Question 149. A man can do a piece of work in 30 hours. If he works with his son then the same piece of work is finished in 20 hours. If the son works alone then he do the work in ?

60 hours
50 hours
25 hours
10 hours

Discuss Question

Answer: Option A. -> 60 hours

Question 150. The daily wages of A and B respectively are Rs. 3.50 and Rs. 2.50. When A finishes a certain work, he gets a total wage of Rs. 63. When B does the same work, he gets a total wage Rs. 75. If both of them do it together what is cost of the work ?