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Shortcut Method for Time and Work Problems for Bank PO FREE PDF Download

Shortcut Method for Time and Work Problems for Bank PO FREE PDF Download 

 

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IBPS PO Time and Work Questions with Answers FREE PDF Download- IBPS PO is one the primary bank exams of all times. Competitive exam preparation has always been a crucial task involving dedication and commitment. 

In this article, we also provide you Important Short Tricks on Time & Work Questions which are asked in bank exams like IBPS. IBPS PO time and work questions with answers FREE PDF download will help you solve maximum number of questions in minimum amount of time. Candidates must take lot of online IBPS PO mock test for practice.

Time and work problems based on this concept are not only a little complicated but also asked very frequently asked in competitive exams. So let’s establish a relation between terms and formulas that help to solve such time and work formulas.

Shortcut Method for Time and Work Problems for Bank PO FREE PDF Download

 

1.

A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is :
A.
1
4
B.
1
10
C.
7
15
D.
8
15

 

 

 

2. 

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:
A. 20 days
B.
22 1 days
2
C. 25 days
D. 30 days

 

 

3. 

A can finish a work in 18 days and B can do the same work in 15 days. B worked for 10 days and left the job. In how many days, A alone can finish the remaining work?
A. 5
B.
5 1
2
C. 6
D. 8

 

4. 

A and B can together finish a work 30 days. They worked together for 20 days and then B left. After another 20 days, A finished the remaining work. In how many days A alone can finish the work?
A. 40
B. 50
C. 54
D. 60

 

 

5. 

10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 5 women and 10 children take to complete the work?
A. 3
B. 5
C. 7
D. Cannot be determined
E. None of these

 

Time and work is an important topic in IBPS exams, including clerks, PO and specialist officers. In order to make the chapter easy for you all, we provide IBPS PO time and work questions with answers PDF with important short tricks to solve time & work questions will surely make the chapter easy for you all.

 

6. 

X and Y can do a piece of work in 20 days and 12 days respectively. X started the work alone and then after 4 days Y joined him till the completion of the work. How long did the work last?
A. 6 days
B. 10 days
C. 15 days
D. 20 days

 

 

7. 

A, B and C can complete a piece of work in 24, 6 and 12 days respectively. Working together, they will complete the same work in:
A.
1 day
24
B.
7 day
24
C.
3 3 days
7
D. 4 days

 

 

8. 

A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work. The whole work was completed in :
A. 8 days
B. 10 days
C. 12 days
D. 15 days

 

 

Each of the questions given below consists of a question followed by three statements. You have to study the question and the statements and decide which of the statement(s) is/are necessary to answer the question.

 
9. 
In how many days can 10 women finish a work?
I.  10 men can complete the work in 6 days.
II. 
10 men and 10 women together can complete the work in 3 3 days
7
 III.  If 10 men work for 3 days and thereafter 10 women replace them, the remaining work in completed in 4 days.

 

A. Any two of the three
B. I and II only
C. II and III only
D. I and III only
E. None of these

         

10.

How many workers are required for completing the construction work in 10 days?
I.  20% of the work can be completed by 8 workers in 8 days.
II.  20 workers can complete the work in 16 days.
 III.  One-eighth of the work can be completed by 8 workers in 5 days.
A. I only
B. II and III only
C. III only
D. I and III only
E. Any one of the three   

 

 

ANSWERS

 

1.

A’s 1 day’s work = 1 ;
15
B’s 1 day’s work = 1 ;
20
(A + B)’s 1 day’s work = ( 1 + 1 ) = 7 .
15 20 60
(A + B)’s 4 day’s work = ( 7 x 4 ) = 7 .
60 15
Therefore, Remaining work = ( 1 – 7 ) = 8 .
15 15

 

 

2. 

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.

If difference of time is 60 days, B takes 3 x 60 = 90 days.
2

So, A takes 30 days to do the work.

A’s 1 day’s work = 1
30
B’s 1 day’s work = 1
90
(A + B)’s 1 day’s work = 1 + 1 = 4 = 2
30 90 90 45
 A and B together can do the work in 45 = 22 1 days.
2 2

 

 

3. 

B’s 10 day’s work = ( 1 x 10 ) = 2 .
15 3
Remaining work = ( 1 – 2 ) = 1 .
3 3
Now, 1 work is done by A in 1 day.
18
Therefore 1 work is done by A in ( 18 x 1 ) = 6 days.
3 3

 

 

4. 

(A + B)’s 20 day’s work = ( 1 x 20 ) = 2 .
30 3
Remaining work = ( 1 – 2 ) = 1 .
3 3
Now, 1 work is done by A in 20 days.
3

Therefore, the whole work will be done by A in (20 x 3) = 60 days

 

 

5. 

1 woman’s 1 day’s work = 1
70
1 child’s 1 day’s work = 1
140
(5 women + 10 children)’s day’s work = 5 + 10 = 1 + 1 = 1
70 140 14 14 7

 5 women and 10 children will complete the work in 7 days.

 

 

6. 

Work done by X in 4 days = 1 x 4 = 1 .
20 5
Remaining work = 1 – 1 = 4 .
5 5
(X + Y)’s 1 day’s work = 1 + 1 = 8 = 2 .
20 12 60 15
Now, 2 work is done by X and Y in 1 day.
15
So, 4 work will be done by X and Y in 15 x 4 = 6 days.
5 2 5

Hence, total time taken = (6 + 4) days = 10 days

 

 

7. 

Formula: If A can do a piece of work in n days, then A’s 1 day’s work = 1 .
n
(A + B + C)’s 1 day’s work = 1 + 1 + 1 = 7 .
24 6 12 24
Formula: If A’s 1 day’s work = 1 , then A can finish the work in n days.
n
So, all the three together will complete the job in 24  days = 3 3 days.
7 7

 

 

8. 

(A + B)’s 1 day’s work = ( 1 + 1 ) = 1 .
15 10 6
Work done by A and B in 2 days = ( 1 x 2 ) = 1 .
6 3
Remaining work = ( 1 – 1 ) = 2 .
3 3
Now, 1 work is done by A in 1 day.
15
Therefore 2 work will be done by a in ( 15 x 2 ) = 10 days.
3 3

Hence, the total time taken = (10 + 2) = 12 days.

 

9.

I. (10 x 6) men can complete the work in 1 day.

       1 man’s 1 day’s work = 1
60

 

 II. 10 x 24 men + 10 x 24 women can complete the work in 1 day.
7 7
       240 men’s 1 day work + 240 women’s 1 day work = 1.
7 7
       240 x 1 + 240 women’s 1 day’s work = 1.
7 60 7
       240 women’s 1 day’s work = 1 – 4 = 3
7 7 7
       10 women’s 1 day’s work = 3 x 7 x 10 = 1
7 240 8

      So, 10 women can finish the work in 8 days.

 

III. (10 men’s work for 3 days) + (10 women’s work for 4 days) = 1

       (10 x 3) men’s 1 day’s work + (10 x 4) women’s 1 day’s work = 1

       30 men’s 1 day’s work + 40 women’s 1 day’s work = 1

 

      Thus, I and III will give us the answer.

      And, II and III will give us the answer.

       Correct answer is (A).

 

 

10. 

I. 20 work can be completed by (8 x 8) workers in 1 day.
100

   Whole work can be completed by (8 x 8 x 5) workers in 1 day.

        = 8 x 8 x 5 workers in 10 days = 32 workers in 10 days.
10

 

 II. (20 x 16) workers can finish it in 1 day.

   (20 x 16) workers can finish it in 10 days.
10

   32 workers can finish it in 10 days.

III. 1 work can be completed by (8 x 5) workers in 1 day.
8

   Whole work can be completed by (8 x 5 x 8) workers in 1 day.

        = 8 x 5 x 8 workers in 10 days = 32 workers in 10 days.
10

 Any one of the three gives the answer.

 Correct answer is (E).

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