Time and Distance Based DI for IBPS PO, SBI Clerk Mains, IBPS RRB PO, NRA CET, IBPS RRB Clerk and RBI Assistant Mains Exams with Detailed Solution

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

In the following figure, the bar graph shows the speeds (in km/h) of five different ships in a river and the speed of the water (in km/h) and the line graph shows the percentage of distance (in %) travelled by all the five ships.
 


Note: The total distance is 3000 km.
1
Two friends Nitin and Mukesh decided to travel 675 km till point P in downstream. Nitin is on ship B and Mukesh is on ship D. After 510 km, Mukesh’s ship broke down but immediately he got help from Neil, who is travelling in the same direction as Mukesh and is on Ship E. 
 
Quantity I : Time taken by Nitin to reach point P.
 
Quantity II : Time taken by Mukesh to reach on point P.
» Explain it
E
Quantity I :

Time taken by Nitin (using ship B)

675  =  675  = 12.5 hour
39 + 15 54

Quantity II :

Time taken by Mukesh (using Ship D + Ship E)

510  +  165  = 10.01 + 3.437 = 13.447 hours
31 + 19.5 36 + 12

Here, Quantity I < Quantity II

Hence, option E is correct.
2
The speed of another ship, F is 11.11% more than the speed of ship C and speed of stream (for Ship F) is 25% more than the speed of stream for ship E.
 
Quantity I : Find the time taken by ship F to cover a distance of 2625 km in upstream direction.
 
Quantity II : Find the time taken by ship C to cover a distance of 1860 km in upstream direction.
» Explain it
B
Quantity I :

Speed of ship F = 45 × 111.11% = 50 km/hr

Speed of stream for ship F = 12 × 125% = 15 km/hr

Time taken by ship F to cover 1860 km (upstream)

2625  =  2625  = 75 hours
50 – 15 35

Quantity II :

Time taken by ship C to cover 1860 km (upstream)

1860  = 77.5 hours
24

Hence, option B is correct.
3
The total distance is increased by 25%.
 
Quantity I : The time taken by ship C to cover the new distance in upstream.
 
Quantity II : The time taken by ship A to cover old distance in downstream.
» Explain it
D
New Distance = 3000 × 125% = 3750 km

Quantity I:

Time taken by ship C to cover new distance (upstream)

3750 × 20%  =  750  hours
24 24

Quantity II :

Time taken by ship A to cover old distance (downstream)

750  =  125  hours
54 9

Hence, option D is correct.
4
Time taken by ship A and B together to travel their respective destinations in downstream is approximately ______ percent more or less than time taken by ship E to travel its destination in upstream.
» Explain it
C
Time taken by ship B (in downstream)

450  =  150  hour
54 18

Time taken by ship A (in downstream)

750  =  250  hour
54 18

Time taken by ship B + ship A

250  +  150  =  400  hour = 22.22 hours 
18 18 18

Time taken by ship E (in upstream)

660  =  55  hour = 27.5 hours
24 2

Time taken by ship B and A (in downstream) is percent more or less than time taken by ship E ( in upstream)

22.22 – 27.5  × 100 = – 19.2% 
27.5

Hence, option C is correct.
5
Quantity I : The average time taken by all the ships to cover their respective distances in upstream.
 
Quantity II : Time taken by ship E to travel 1728 km in still water.
» Explain it
E
Quantity I :

Time taken by ship A (upstream) =  750  =  125  hours
12 2

Time taken by ship B (upstream) =  450  =  75  hours
24 4

Time taken by ship C (upstream) =  600  = 25 hours
24

Time taken by ship D (upstream) =  540  = 45 hours
11.5

Time taken by ship E (upstream) =  660  =  55  hours
24 2

After adding all the times we get = 180.70 hours

Average Time =  180.70  = 36.14 hour
5

Quantity II:

Time taken by ship E to cover 1728 km in still water

1728  = 48 hours
36

Hence, option E is correct.

High Level DI for SBI PO Pre, SBI Clerk Mains, LIC AAO, CET


In this Data Interpretation for SBI PO 2021 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 PreRRB Clerk Pre 2021, SBI Clerk 2021, IBPS RRB  Scale I Pre 2021 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.

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 for SBI PO Pre  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 SBI 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 Pre 2021 Exam.
 
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Team Smartkeeda