# Recent questions tagged work-time

1
$A$ can do a piece of work in $14$ days which $B$ can do in $21$ days. They begin together but $3$ days before the completion of the work, $A$ leaves off. The total number of days to complete the work is : $\frac{33}{5}$ $8\frac{1}{2}$ $\frac{51}{5}$ $13\frac{1}{2}$
2
If $9$ men working $7\frac{1}{2}$ hours a day can finish a work in $20$ days, then how many days will be taken by $12$ men working $6$ hours a day to finish the work, it being given that $3$ men of former type work as much as $2$ men of the latter type in the same time ? $12\frac{1}{2}$ $13$ $9\frac{1}{2}$ $11$
3
If $34$ men completed $2/5$th of a work in $8$ days working $9$ hours a day. How many more man should be engaged to finish the rest of the work in $6$ days working $9$ hours a day? $189$ $198$ $102$ $142$
4
Worker $A$ takes $8$ hours to do a job. Worker $B$ takes $10$ hours to do the same job. How long it take both $\text{A&B}$, working together but independently, to do the same job? $40/9$ days $40/7$ days $7.5$ days $8.5$ days
5
$A$ and $B$ can complete a task in $30$ days when working together. After $A$ and $B$ have been working together for $11$ days, $B$ is called away and $A$, himself completes the task in the next $28$ days. Had $A$ been working alone, the number of days taken by him to complete the task would have been: $\dfrac{379}{9} \\$ $\dfrac{840}{19} \\$ $\dfrac{520}{11} \\$ $\dfrac{590}{11}$
6
$A$ can finish a work in $12$ days and $B$ can do it in $15$ days. After $A$ had worked for $3$ days, $B$ also joined $A$ to finish the remaining work. In how many days, the remaining work will be finished? $5\dfrac{1}{2} \\$ $4\dfrac{1}{2} \\$ $5$ $6$
7
If $20$ men working $7$ hours a day can do a piece of work in $10$ days, in how many days will $15$ men working for $8$ hours a day do the same piece of work? $\dfrac{320}{21} \text{ days} \\$ $\dfrac{35}{3} \text{ days} \\$ $\dfrac{105}{16} \text{ days} \\$ $\dfrac{21}{5}\text{ days} \\$
1 vote
8
Aamir and Birju can cut $5000\;\text{g}$ of wood in $20$ min. Birju and Charles can cut $5000\;\text{g}$ of wood in $40$ min. Charles and Aamir cut $5\;\text{kg}$ of wood in $30$ min. How much time Charles will take to cut $5\;\text{kg}$ wood alone? $120$ min $48$ min $240$ min $120/7$ min
9
Ali is thrice as good as workman as Birju and therefore is able to finish a job in $60$ days less than Birju. If both Ali and Birju, work together, they can do it in: $20$ days $22.5$ days $25$ days $30$ days
1 vote
10
$56$ men can complete a piece of work in $24$ days. In how many days can $42$ men complete the same piece of work ? $48$ $32$ $20$ $16$
1 vote
11
In a camp, there are meals for $120$ men or $200$ children. If $150$ children have taken their meals, how many men will be catered to with the remaining meal ? $50$ $40$ $30$ $20$
12
Arun and Barun are both athletes. However, Arun runs $25\%$ faster than Barun. He is able to allow Barun a lead of $7$ meters to end a race in scorching heat. What is the length of the race ? $10$ meters $25$ meters $15$ meters $35$ meters
13
A task can be completed in $20$ days, if Rose and Ryan work together. However, if Rose worked alone and completed half the task and then Ryan takes over and completes the second half, the task will be completed in $45$ days. How long will Rose take to complete the task if she worked alone ? Assume that Ryan is more efficient than Rose. $25$ days $30$ days $60$ days $65$ days
14
$A$ can complete half work in $7$ days $B$ can do $\dfrac{1}{3}$ of work in $14$ days .while $C$ can complete the $20\%$ of the remaining work in $\dfrac{28}{5}$ days. In how many days $A,B,C$ will complete the work together ?
15
aamir and birju can cut 5000 g of wood in 20 min.birju and charles can cut 5000 g of wood in 40 min.charles and aamir can cut 5 kg of wood in 30 min.how much time charles will take to cut 5 kg wood alone??
16
Q1)Srinu is 50% more efficient than Murali.If Srinu takes 20 days to finish a job then Murali will take how much time?
1 vote
17
Choose the best alternative: One man can do as much work in one day as a woman can do in 2 days A child does one-third the work in a day as a woman. If an estate-owner hires 39 pairs of hands, men, woman and children in the ratio 6 : 5 :2 and pays them in all Rs ... work. What must the daily wages of a child be, if the wages are proportional to the amount of work done? Rs. 14 Rs. 5 Rs. 20 Rs. 7
1 vote
18
Machine M1 as well as Machine M2 can independently produce either Product P or Product Q. The times taken by machines M1 and M2 (in minutes) to produce one unit of product P and Q are given in the table below: (Each machine works 8 hours per day). PRODUCT M1 M2 P 10 ... required to produce 30 pieces of P and 25 pieces of Q? 6 hours 30 minutes 7 hours 24 minutes 5 hours 48 minutes 4 hours 6 minutes
1 vote
19
Machine M1 as well as Machine M2 can independently produce either Product P or Product Q. The times taken by machines M1 and M2 (in minutes) to produce one unit of product P and Q are given in the table below: (Each machine works 8 hours per day). PRODUCT M1 M2 ... half its normal efficiency, what is the maximum number of units produced, if at least one unit of each must be produced? 96 89 100 119
1 vote
20
Machine M1 as well as Machine M2 can independently produce either Product P or Product Q. The times taken by machines M1 and M2 (in minutes) to produce one unit of product P and Q are given in the table below: (Each machine works 8 hours per day). PRODUCT M1 M2 P 10 8 ... : 48 of each with 3 minutes idle 64 of each with 12 minutes idle 53 of each with 10 minutes idle 71 of each with 9 minutes idle
1 vote
21
Machine M1 as well as Machine M2 can independently produce either Product P or Product Q. The times taken by machines M1 and M2 (in minutes) to produce one unit of product P and Q are given in the table below: (Each machine works 8 hours per day). PRODUCT M1 M2 P ... is to be 3 times that of Q, what is the minimum idle time for maximum total units manufactured? 0 minutes 24 minutes 1 hour 2 hours
1 vote
22
Machine M1 as well as Machine M2 can independently produce either Product P or Product Q. The times taken by machines M1 and M2 (in minutes) to produce one unit of product P and Q are given in the table below: (Each machine works 8 hours per day). PRODUCT M1 M2 P 10 8 Q 6 6 What is the maximum number of units that can be manufactured in one day? 140 160 120 180
23
A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C, they completed the work in 3 days. How much is to be paid to C? A. Rs. 375 B. Rs. 400 C. Rs. 600 D. Rs. 800
1 vote
24
20 men can do a work in c/2 days & 30 women can do the same work in c/3 days then how many days will take to complete the work when 20 men &30wmen work together a)5c/6 b)c/6 c) 6c/5
25
In a book store, each of the word of the glowsign board “MODERN BOOK STORES” is visible after 5/2, 17/4 and 41/8 seconds respectively. Each of them is put off for 1 second. Find the time after which one person can see a completely visible glowsign board. 73.5 seconds 79.4 seconds 68.2 seconds None of these