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

The following pie chart gives the information about the distribution of population(in %) of India in different geographical zones.
Important for :
1
If the total population of east zone of India is 126.5 million then what is the total population of north zone of India?
» Explain it
A
Let the total population of India = 100x then

Then, the total population of east zone = 23% of 100x = 126.5

23x = 126.5

x = 5.5 million

The population of north zone = 25% of 100x = 25x = 25 × 5.5 = 137.5 million

Hence, option A is correct.

2
The total population of west zone of India is how much percentage less than that of the north zone?
» Explain it
C
Let the total population of India = 100x

Then, the total population of north zone = 25% of 100x = 25x

the total population of west zone = 18% of 100x = 18x

 The reqd. % = (25x – 18x) × 100 = 28% 25x

Hence, option C is correct.
3
In India, the ratio of males to females is 13 : 12 and in central zone, the ratio of males to females is 9 : 7. The number of females in central zone is what percentage of the total number of females of India?
» Explain it
A
Let the total population of India = 100x then

Then, the total population of central zone = 16% of 100x = 16x

 The number of females in central zone = 16x × 7 = 7x 16

 The number of females in India = 100x × 12 = 48x 25

 The reqd. % = 7x × 100 = 175 % = 14 7 % 48x 12 12

Hence, option A is correct.
4
If the total population of India is 125 crores then what is the sum of the population of east zone and that of west zone in crores?
» Explain it
D
The sum of the population of east zone and that of west zone = 23% of 125 + 18% of 125 = 41% of 125

 = 41 × 125 = 51.25 crores 100

Hence, option D is correct.
5
50% of the total population of west zone are males which is equal to 10% of the total population of males in India and if the total population of females in west zone is 50 million then what is the total population of males in India?
» Explain it
B
Let the total population of India = 100x then

Then, the population of west zone = 18% of 100x = 18x

The number of males in west zone = 50% of 18x = 9x = 10% of the total population of males in India = 50 million (The number of females)

The total population of males in India = 90x = 50 × 10 = 500 million

Hence, option B is correct.

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In this article we will discuss What is Data Interpretation, How its important for Bank PO and Clerk Exams.

What is Data Interpretation and how its useful for IBPS PO, IBPS Clerk, LIC, NABARD 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 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 Data Interpretation 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 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 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 Data Interpretation Questions & Answers for Banking and Insurance Exams like SBI, 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. The 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, 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 full mock test at Testzone to improve your problem-solving skills. Questions that have appeared in the previous IBPS PO 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 alternate strategies that can help you improve your speed and accuracy.