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Directions  :Study the following pie and table chart carefully and answer the questions given beside.

The pie-chart shows the percentage distribution of the total distance covered by five trains (A, B, C, D and E) from source to the destination. Let the source be point X and the destination be point Y for all trains. 
 
Percentage of the distance covered



Each trains starts from X but takes a different route to reach Y and follows the same route when it returns to X from Y.
 
Note: The total distance covered by all the trains together to reach Y from X is 3100 km.
 
The table below shows the running speed of all the trains (excluding their stoppage time) while going from source (X) to destination (Y) and the ratio of the time taken (including stoppage time) by all the trains while going from X-to-Y to the time taken (including stoppage time) while returning from Y-to-X. The number of stoppages for each train on its route is given in the table and the average stoppage time taken at each stop is also given. 
 
The respective number of stoppages and stoppage time for each train is same for its journey from X-to-Y and Y-to-X.
 
Note: Average speed of train for a journey = Distance of the journey ÷ Total time taken to complete the journey

Train Running speed of train from X-to-Y (in km/hr) Number of stoppages The average time taken by the train on each stoppage (in minutes) Time taken from X-to-Y: Time taken from Y-to-X
         
A 74.4 25 5 5: 6
B 80 3 7 10: 7
C 62 5 6 9: 10
D 75 16 10 13: 12
E 60 9 5 17: 15
1
For which two trains their average speeds for the journey from X-to-Y is the closest to each other?
» Explain it
D
Distance covered by train A from source (X) to destination (Y) = 31% of 3100 = 961 km

Distance covered by train B from source (X) to destination (Y) = 12% of 3100 = 372 km

Distance covered by train C from source (X) to destination (Y) = 17% of 3100 = 527 km

Distance covered by train D from source (X) to destination (Y) = 25% of 3100 = 775 km

Distance covered by train E from source (X) to destination (Y) = 15% of 3100 = 465 km

Total time taken by train A going from X to Y

961  × 60 + 25 × 5 = 900 minutes = 15 hours
74.4

Total time taken by train B going from X to Y

372  × 60 + 3 × 7 = 300 minutes = 5 hours
80

Total time taken by train C going from X to Y

527  × 60 + 5 × 6 = 540 minutes = 9 hours
62

Total time taken by train D going from X to Y

775  × 60 + 16 × 10 = 780 minutes = 13 hours
75

Total time taken by train E going from X to Y

465  × 60 + 9 × 5 = 510 minutes = 8.5 hours
60

Train Distance travelled (in km) Running speed of train from X-to-Y (in km/hr) Number of stoppages The average time taken by the train on each stoppage (in minutes) Time taken from X-to-Y (in hours)
A 961 74.4 25 5 15
B 372 80 3 7 5
C 527 62 5 6 9
D 775 75 16 10 13
E 465 60 9 5 8.5

Average speed of train A going from X to Y =  961  = 64.07 km/hr
15

Average speed of train B going from X to Y =  372  = 74.4 km/hr
5

Average speed of train C going from X to Y =  527  = 58.6 km/hr
9

Average speed of train D going from X to Y =  775  = 59.6 km/hr
13

Average speed of train E going from X to Y =  465  = 54.7 km/hr
8.5

The average speeds of train C and train D are closest to each other.

Hence, option D is correct.
2
While returning from Y-to-X, the average speed of which train is the third highest?
» Explain it
E
Distance covered by train A from source (X) to destination (Y) = 31% of 3100 = 961 km

Distance covered by train B from source (X) to destination (Y) = 12% of 3100 = 372 km

Distance covered by train C from source (X) to destination (Y) = 17% of 3100 = 527 km

Distance covered by train D from source (X) to destination (Y) = 25% of 3100 = 775 km

Distance covered by train E from source (X) to destination (Y) = 15% of 3100 = 465 km

Total time taken by train A going from X to Y

961  × 60 + 25 × 5 = 900 minutes = 15 hours
74.4

Total time taken by train B going from X to Y

372  × 60 + 3 × 7 = 300 minutes = 5 hours
80

Total time taken by train C going from X to Y

527  × 60 + 5 × 6 = 540 minutes = 9 hours
62

Total time taken by train D going from X to Y

775  × 60 + 16 × 10 = 780 minutes = 13 hours
75

Total time taken by train E going from X to Y

465  × 60 + 9 × 5 = 510 minutes = 8.5 hours
60

Total time taken by train A going through Y to X

6  × 15 = 18 hours
5

Total time taken by train B going through Y to X

7  × 5 = 3.5 hours
10

Total time taken by train C going through Y to X

10  × 9 = 10 hours
9

Total time taken by train D going through Y to X

12  × 13 = 12 hours
13

Total time taken by train E going through Y to X

15  × 8.5 = 7.5 hours
17

Train Distance travelled (in km) Running speed of train from X-to-Y (in km/hr) Number of stoppages The average time taken by the train on each stoppage (in minutes) Time taken from X-to-Y (in hours) Time taken from Y-to-X (in hours)
A 961 74.4 25 5 15 18
B 372 80 3 7 5 3.5
C 527 62 5 6 9 10
D 775 75 16 10 13 12
E 465 60 9 5 8.5 7.5

Average speed of train A going from Y to X =  961  = 53.4 km/hr
18

Average speed of train B going from Y to X =  372  = 106.3 km/hr
3.5

Average speed of train C going from Y to X =  527  = 52.7 km/hr
10

Average speed of train D going from Y to X =  775  = 64.6 km/hr
12

Average speed of train E going from Y to X =  465  = 62 km/hr
7.5

Thus, the average speed of train E is the third highest.

Hence, option E is correct.
3
For which train, the difference between the running speed from X-to-Y and the running speed from Y-to-X is the second highest?
» Explain it
A
Train Distance travelled (in km) Running speed of train from X-to-Y (in km/hr) Number of stoppages The average time taken by the train on each stoppage (in minutes) Time taken from X-to-Y (in hours) Time taken from Y-to-X (in hours)
A 961 74.4 25 5 15 18
B 372 80 3 7 5 3.5
C 527 62 5 6 9 10
D 775 75 16 10 13 12
E 465 60 9 5 8.5 7.5

Running time of train A from Y to X = 18 × 60 – 25 × 5 = 955 minutes = 15.9 hours
 
Running time of train B from Y to X = 3.5 × 60 – 3 × 7 = 189 minutes = 3.15 hours
 
Running time of train C from Y to X = 10 × 60 – 5 × 6 = 570 minutes = 9.5 hours
 
Running time of train D from Y to X = 12 × 60 – 16 × 10 = 560 minutes = 9.33 hours
 
Running time of train E from Y to X = 7.5 × 60 – 9 × 5 = 405 minutes = 6.75 hours

Running speed of train A from Y to X =  961  = 60.4 km/hr
15.9

Running speed of train B from Y to X =  372  = 118.1 km/hr
3.15

Running speed of train C from Y to X =  527  = 55.5 km/hr
9.5

Running speed of train D from Y to X =  775  = 83 km/hr
9.33

Running speed of train E from Y to X =  465  = 68.9 km/hr
6.75

Train A: Difference = 74.4 – 60.4 = 14 km/hr (second highest)
 
Train B: Difference = 118 – 80 = 38 km/hr
 
Train C: Difference = 62 – 55.5 = 6.5 km/hr
 
Train D: Difference = 83 – 75 = 8 km/hr
 
Train E: Difference = 68.9 – 60 = 8.9 km/hr
 
Hence, option A is correct.
4
While going from X-to-Y, if train D and train E passes a pole in 24 seconds and 27 seconds, respectively, then find the ratio of the length of train D to the length of train E. 
» Explain it
B
Running speed of train D going from X-to-Y

= 75 km/hr =  125  m/s
6

Running speed of train E going from X-to-Y

= 60 km/hr =  50  m/s
3

Length of train D =  125  × 24 = 500 meters
6

Length of train E =  50  × 27 = 450 meters
3

Required ratio = 500 : 450 = 10 : 9

Hence, option B is correct.
5
Running speed of train F from X-to-Y is 20% less than the running speed of train B from X-to-Y. The total time taken by train F, including stoppages, to cover 400 km is equal to the time taken by train C to cover 446.4 km from X-to-Y without stoppage. Find the number of stoppages train F stops at, if each stoppage is of 3 minutes. 
» Explain it
E
Running speed of train F = 80% of 80 = 64 km/hr

Time taken by train F without stoppage to cover 400 km

400  = 6 hours 15 minutes
64

Time taken by train C with stoppage to cover 446.4 km

446.4  = 7 hours 12 minutes
62

Time taken by train F in all the stoppages together = 45 + 12 = 57 minutes

So, number of stoppages =  57  = 19 stops
3

Hence, option E is correct.

Mains Level DI for SBI Clerk, IBPS Clerk, LIC AAO 2020 Exams | DI Quiz 64


In this High Level DI Questions for Mains Exams we will discuss What is Data Interpretation, How it's important for Bank PO Pre Exams.

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What is Data Interpretation and how its useful for SBI PO Pre 2020, SBI Clerk Mains 2020, IBPS RRB  2020, RBI Assistant, LIC AAO Etc

In our day-to-day life, data is reported in the newspapers, on television, and in magazines. The data involves business, government, sports and many other topics. It is represented in an organized fashion, making it easy to interpret what you hear and read in the media. Those set of problems is being asked in a different kind of form like Pie Chart di, Bar Chart di, Table Chart di, line chart di and info chart etc.
Now come back to the point data interpretation,  Data has to be well organized for it to be useful. This process of interpreting and analysing data to extract meaningful information from it is Data Interpretation. Solving DI problems involves the use of basic formulas and manipulation of numbers.

Data Interpretation is calculation-intensive. It consists of a myriad of graphs, charts and tables form which you have to glean and analyse data. The key to cracking this area is to quickly identify the key pieces of data that you require to work on the questions asked.

Problems in High Level Data Interpretation are probably the closest in resemblance to the kind of problems you will be dealing with as a manager. They test your decision-making ability and speed using the minimum possible data. They help you to draw conclusions from collected data, support decision making and contribute to the better process, product, and quality models.

DI PDF for SBI PO Pre, LIC AAO, RBI Assistant, SBI Clerk 

 
1. For which two trains their average speeds for the journey from X-to-Y is the closest to each other?
A. Train A and Train B
B. Train C and Train E
C. Train D and Train E
D. Train C and Train D
E. Train A and Train D
 
2. While returning from Y-to-X, the average speed of which train is the third highest?
A. Train A
B. Train B
C. Train C
D. Train D
E. Train E
 
3. For which train, the difference between the running speed from X-to-Y and the running speed from Y-to-X is the second highest?
A. Train A
B. Train B
C. Train C
D. Train D
E. Train E
 
4. While going from X-to-Y, if train D and train E passes a pole in 24 seconds and 27 seconds, respectively, then find the ratio of the length of train D to the length of train E. 
A. 9 : 8
B. 10 : 9
C. 4 : 3
D. 6 : 5
E. None of these
 
5. Running speed of train F from X-to-Y is 20% less than the running speed of train B from X-to-Y. The total time taken by train F, including stoppages, to cover 400 km is equal to the time taken by train C to cover 446.4 km from X-to-Y without stoppage. Find the number of stoppages train F stops at, if each stoppage is of 3 minutes. 
A. 17
B. 21
C. 18
D. 22
E. None of these

 
Data Sufficiency problems involve testing your quantitative concepts. They usually take the form of a logical puzzle. Instead of solving a data sufficiency problem, all you need to do is determine if the given information is enough to solve the problem. To solve DI Questions & Answers for IBPS PO Banking and Insurance Exams like RRB, IBPS, NABARD & RBI Grade B, NIACL, and LIC, you need to brush up your calculation skills; you need to perform calculations faster and accurately than others. Difficult Data interpretations should be solved within 10-12 minutes. The DI of moderate level should not consume more than 7-9 minutes of the time and easy DI's should be finished within 3.5-4 minutes.

In these, Data Interpretation Quizzes and PDF, you familiarized yourself with the key concepts and improved your problem-solving abilities. At Smartkeeda you will get Easy level data interpretation to High-level data interpretation at low cost. Practice and tests are important to optimize your preparation. First, take the quizzes regarding your exams and take a full mock test at Testzone to improve your problem-solving skills. Questions that have appeared in the previous IBPS clerk exams are also a part of these quizzes. Go through them you can understand where the focus lies in an examination environment. The detailed solutions of the questions may provide some alternative strategies that can help you improve your speed and accuracy.

At Smartkeeda you can attempt Data Interpretation quizzes and download (DI) PDF for free for SBI PO 2020 Exam.
 
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