Time and Work shortcut tricks are very important thing to know for your exams. Competitive exams are all about time. If you know time management then everything will be easier for you. Most of us miss this thing. Few examples on time and work shortcuts is given in this page below. We try to provide all types of shortcut tricks on time and work here. We request all visitors to read all examples carefully. These examples here will help you to better understand shortcut tricks on time and work.
First of all do a practice set on math of any exam. Then find out twenty math problems related to this topic and write those on a paper. Solve first ten math problems according to basic math formula. You also need to keep track of the time. Write down the time taken by you to solve those questions. Now go through our page for time and work shortcut trick. After this do remaining ten questions and apply shortcut formula on those math problems. Again keep track of the time. The timing will be surely improved this time. But this is not all you need. You need to practice more to improve your timing more.
We all know that the most important thing in competitive exams is Mathematics. That doesn’t mean that other sections are not so important. You can get a good score only if you get a good score in math section. You can get good score only by practicing more and more. All you need to do is to do math problems correctly within time, and you can do this only by using shortcut tricks. Again it does not mean that you can’t do maths without using shortcut tricks. You may have that potential that you may do maths within time without using any shortcut tricks. But so many people can’t do this. Here we prepared time and work shortcut tricks for those people. Here in this page we try to put all types of shortcut tricks on Time and Work. But we may miss few of them. If you know anything else rather than this please do share with us. Your little help will help so many needy.
Time and Work Examples 1
Some important facts are needed for Time and work Problems. If a person do a piece of work which has to be require more time to complete, and capacity is limited to that person but two or more person do the same piece of work which require less time and effort is minimum.
This examples is two person work a piece of work in same time and find out one person alone work to complete. So here is some example 1 of this chapter related which help you better study for job preparation.
This type of problem are given in Quantitative Aptitude which is a very essential paper in banking exam. Under below given some more example for your better practice.
Example 1: Anil, priyanka and Suresh together can complete a work in 20 minutes If Anil and priyanka together same work complete in 60 minutes, How many time required Suresh alone can complete that work ?
Answer : 1 / 20 – 1 / 60 = 30 minutes.
Example 2: P complete a work in 12 days and Q complete the same work in 16 days. Find required time to complete the same work together.
Answer : Complete work in 1 day of P is 1 / 12
Complete work in 1 day of Q is 1 / 16
Together complete work P + Q in 1 day 1 / 12 + 1 / 16 = 7 / 48
Together complete work 48 / 7 days
Example 3: A, B and C together can finish a work in 50 minutes, A and B together finish the same work in 60 minutes. In how many minutes can C alone finish that work ?
Answer : ( 1 / 50 – 1 / 60 ) = 1 / 300 minutes.
Example 4: A can do a piece of work in 12 days and B can do a piece of work in 4 days. Find how many days they working together to complete that work ?
Answer : A 1 day work = 1 / 12
B 1 day work = 1 / 4
( 1 / 12 + 1 / 4 ) = 4 / 12 = 1 / 3
they working together to complete that work in 3 days.
Example 5: Anil, priyanka and Suresh together can complete a work in 20 minutes If Anil and priyanka together same work complete in 60 minutes, How many time required Suresh alone can complete that work ?
Answer : 1 / 20 – 1 / 60 = 30 minutes.
Example 6: A, B and C can complete a work together in 60 minutes. A and B can complete the similar work in 80 minutes. How much minutes can C take alone to complete that work ?
Answer: C alone take = 1 / 60 – 1 / 80 = 240 minutes.
Example 7: 22 boy complete a piece of work in 32 days . In how many days will 16 boy can complete that work ?
22 x 32 = 16 x d2
d2 = 22 x 32 / 16 = 44
So, In 44 days 16 man can complete that work .
20 labour can do piece of work in 30 days, then how many days 15 labour can complete double of the work ?
20 labour can do a piece of work in 30 days and Now we need to find the double of the work by 15 labour.
= ( labour X working days ) = ( labour X working days )
= 20 x 30 = 15 x ?
= 600 = 15 x ?
? = 600 / 15 = 40
Now we need to double the working days is 40 x 2 = 80 days.
Example 9: subir and kabir can do a piece of work in 20 days and 12 days respectively. subir started the work alone and then after 4 days kabir joined him till the completion of the work. How long did the work last?
Step 1: In 4 days subir work done = 1 x 4 / 20 = 1 / 5. Remaining work is = ( 1 – 1 / 5 ) = 4 / 5.
Step 2: Now subir and kabir work done by 1 days = ( 1 / 20 + 1 / 12 ) = 2 / 15.
Step 3: 4 / 5 work will be done by subir and kabir = ( 15 / 2 x 4 / 5 ) = 6 days.
So, the total time taken = ( 6 + 4 ) = 10 days.
Rajib and Rajesh together can complete a piece of work in 4 days. If Rajib alone can complete the same work in 12 days, In how long days can Rajesh alone complete that work?
Rajib and Rajesh can do piece of work 4 day’s, then
First we find required 1 day time and work,
( Rajib + Rajesh ) can do piece of work in 1 day’s = 1 / 4, Rajib 1 day’s work = 1 / 12.
Same work Rajesh can do in 1 day’s = ( 1 / 4 – 1 / 12 ) = 1 / 6.
So, Rajesh can alone complete the work in 6 days.
Example 11: 25 Women can complete a work in 15 days. How many more Women need for complete this work in 5 days.
25 Women can complete a work in 15 days, Women1 x working days1 = Women2 x working days2
25 x 15 = Women2 x 5
Women2 = 375 / 5 = 75
More women need for complete this work ( 75 – 25 ) = 50.
Example 12: 8 boy can complete a piece of work in 40 hours. In how many hours will 20 boy complete that same piece of work ?
Answer: boy x hour = boy x ?
8 x 40 = 20 x ?
320 = 20 x ?
? = 320 / 20 = 16 hours
Example 9: A, B and C together can complete a work in 40 minutes. A and B together can complete the same work in 60 minutes. Find the required time that C can complete work alone.
Answer : A, B and C complete the work in 1 day = 1 / 40
A and B complete the work in 1 day = 1 / 60
C complete work alone = 1 /40 – 1 / 60 = 1 / 120 minutes = 120 minutes.
- Time and work Examples 2
- Time and work Examples 3
- Time and Work Examples 4
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