How much time can A and B do a piece of work?

A and B can do a piece of work in 18 days; B and C in 24 days and A and C in 36 days. In what time can they do it, all working together? ∴ A, B and C together can finish the work in = 1/ (1/16) = 16days. 8. A and B can do a piece of work in 12 days; B and C in 15 days; C and A in 20 days. How much time will A alone take to finish the work?

How much time would C take to complete the whole work?

Then calculate in how much time C would complete the whole work? A work for 4 days, B work for 7 days then A and B work together for 4 days. B work for 7 days, C work for 10 days then B and C work together for 3 days. Hence, C can complete the work in 60/4 = 15 days .

How many women can complete the work in 5 days?

1 women can complete the work in (10 * 8) days= 80 days. 1 child can complete the work in (16 * 10) days= 160 days. 1 women 1 days work = 1/80 , 1 child 1 days work= 1/160. (10 women +12 children) 1 days work = ( 10 * 1/80 +12 * 1/160) = ( 1/8 + 3/40 ) = 8/ 40 = 1 /5. ∴ 10 women and 12 children will finish the work in 5 days.

How to calculate the number of days required to complete work?

Let the required number of days be x. More men, less days 19/3 : 5 :: 19 : x ⇒ 19 /3 *x = (5 *19) ⇒ x= (5* 19 * 3 /19 ) = 15. ∴ Required number of days = 15. Q 7 – 8 women can complete the work in 10 days and 10 children take 16 days to complete the same work.

What is the time taken by C to complete the work?

∴ Time taken by C alone to complete the work = 1/ (1/30) = 30hours. 7. A and B can do a piece of work in 18 days; B and C in 24 days and A and C in 36 days. In what time can they do it, all working together?

How can A and B finish a job in 60 days?

A is thrice as good as workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in: Ratio of times taken by A and B = 1 : 3. The time difference is (3 – 1) 2 days while B take 3 days and A takes 1 day. If difference of time is 2 days, B takes 3 days.

How many men can do a piece of work in 9 days?

17. 8 men can do a piece of work in 9 days. In how many days will 6 men do it? 18. Reema weaves 35 baskets in 25 days. In how many days will she weave 55 baskets? 19. Neha types 75 pages in 14 hours. How many pages will she type in 20 hours?

How long does it take to do a bit of work?

Q 1 – A can do a bit of work in 8 days, which B alone can do in 10 days in how long . In how long both cooperating can do it? A’s 1 day work= 1/8, B`s 1 day work = 1/10 ∴ (A+B) 1 day work = (1/8+1/10) = 9/40 Both cooperating can complete it in 40/9 days.

A is thrice as good as workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in: Ratio of times taken by A and B = 1 : 3. The time difference is (3 – 1) 2 days while B take 3 days and A takes 1 day. If difference of time is 2 days, B takes 3 days. = 90 days.

How to calculate the amount of work done in one day?

Rate of Work = 1 / Time Taken Time Taken = 1 / Rate of Work If a piece of work is done in x number of days, then the work done in one day = 1/x Total Wok Done = Number of Days × Efficiency

How much time does it take to finish a piece of work?

Time taken by A to finish a piece of work is twice the time taken B and thrice the time taken by C. If all three of them work together, it takes them 2 days to complete the entire work. How much work was done by B alone?

How many units of work can A and B work on together?

Therefore, working together, they can complete the total work in 6 days. => In one day, A and B working together can finish of 5 units of work, out of the given 30 units.

How many days will A B and C work together?

Question 3 : Three people A, B and C are working in a factory. A and B working together can finish a task in 18 days whereas B and C working together can do the same task in 24 days and A and C working together can do it in 36 days. In how many days will A, B and C finish the task working together and working separately?

How many units of work can two friends complete in one day?

Therefore, working together, they can complete the total work in 6 days. => In one day, A and B working together can finish of 5 units of work, out of the given 30 units. Question 2 : Two friends A and B working together can complete an assignment in 4 days.

How many days does it take to complete 20 work alone?

A took 4 days to complete 20 work alone i.e. it did 5 work per day. (efficiencyis 5 of A). B took 5 days to complete 20 work alone,with the efficiency of 4 per day. A can do a work alone in 4 days. And same work B can complete in 5 days. And with the help of C they can do the work in 2 days.

How do you calculate work completed by A and B together?

If one person takes x days to complete a job and another takes y days to complete the job, then together they will complete in (x × y)/ (x + y) ∴ Work completed by A and B together is 6 days.

How many days C alone will do the work?

A and B together can do a piece of work in 12 days which B and C together can do in 16 days. After A has been working at it for 5 days and B for 7 days, C finishes it in 13 days. In how many days C alone will do the work? Was this answer helpful? A,B and c can do a piece of work in 24,30 and 40 days respectively.

What is theratio of times taken by A and B?

Ratio of times taken by A and B = 1 : 3. The time difference is (3 – 1) 2 days while B take 3 days and A takes 1 day. If difference of time is 2 days, B takes 3 days.

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How long does it take to do 8 hours of work?

So, we have an equation here. Therefore, it takes 15 days more than stipulated time. The work done by a woman in 8 hours is equal to the work done by a man in 6 hours and by a boy in 12 hours.

How long does it take to do a piece of work?

So C takes 60 days to do the work, working alone. A takes 30 days, B takes 20 days and C takes 60 days, each working alone, to complete the work. A can do a piece of work in 40 days. He worked at it for 5 days then B finished it in 21 days.

How can B alone finish the work in 36 days?

On the off chance that the two can together complete a bit of work in 12 days, then B alone can do it in Let B 1 day work =x. Then , A 1 days work=2x X+2x=1/12⇒3x=1/12⇒x=1/36. B 1 day work=1/36. Hence B alone can finish the work in 36 days.

How many days can A B and C alone complete a work?

A, B and C can alone complete a work in 10, 12 and 15 days respectively. A and C started the work and after working for 4 days, A left and B joined. In how many days the total work was completed?

How much work can A B and C do together?

A, B and C can alone complete a work in 10, 12 and 15 days respectively. All started the work but B left the work 3 days before completion. How much work was then done by A and B together in the total work?

How long does it take to do the same work?

So B working alone will do the same work in 30 days. A can do a piece of work in 10 days and B can do it in 15 days. If both of them are working together, half of the work can be finished in? A can do a piece of work in 10 days and B can do it 15 days.

How long would it take A and B to complete the task?

So they would require 30/5 or 6 days to complete the task. Therefore in 3 days A and B together would have done half of the entire work. A and B can do a work in 8 days. B and C can do the same work in 12 days and A and C in 16 days. They started the work together, but A and B left after 4 days.

How many days shall B finish the whole work alone?

A and B together can do a piece of work in 30 days. A having worked for 16 days, B finishes the remaining work alone in 44 days. In how many days shall B finish the whole work alone? A and B together can do a piece of work in 30 days. A having worked for 16 days, B finishes the remaining work alone in 44 days.

How many days will A and B together complete the same work?

A and B together can complete a piece of work in 12 days: B and C together can complete it in 15 days. If A is twice as good a workman as C, in how many days will A alone complete the same work?

How many days can 2 men and 2 women work together?

2 men and 3 women can together complete a piece of work in 4 days and 3 men and 2 women together can complete work in 3 days. In how many days 10 women will complete this work? A alone can complete a work in 5 days more than A+B together and B alone can complete a work in 45 days more than A+B together.

How long does it take A B C and D to reap?

9. A, B and C can reap a field in 15 ¾ days; B, C and D in 14 days; C, D and A in 18 days; D, A and B in 21 days. In what time can A, B, C and D together reap it?

When can A B B C and D together reap the field?

A, B and C can reap a field in 15 ¾ days; B, C and D in 14 days; C, D and A in 18 days; D, A and B in 21 days. In what time can A, B, C and D together reap it? ∴ A, B, C and D together can reap the field in = 1/ (5/63) = 63/5 = 123 5 12 3 5 days.