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The following line chart that shows the birth rate (per thousand persons) and death rate (per thousand persons) of countries A, B, C and D in the year 2014.

Population Increase = | [Population increase rate × Population] | |

1000 |

Important for :

1

B

If Birth Rate and Death Rate are given, then population increase per thousand persons will be given by (Birth Rate – Death Rate).⇒ Population increase rate of country B = (8.3 – 6.6) per thousand of population = 1.7 per thousand of population

∴ Population increase of country B = |
[Population increase rate × Population] | |

1000 |

= | 1.7 × 20 × 1000000 | = 34 thousand. |

1000 |

Hence, option B is correct.

2

B

Birth rate of country B = 8.3Birth rate of country C = 4.3

∴ Percentage by which birth rate of country B is more than that of country C

= | 8.3 – 4.3 | × 100 = 93.02. |

4.3 |

Hence, option B is correct.

3

C

We know that, Population increase of a country= | [Population increase rate × Population] | |

1000 |

Where, Population increase rate = Birth rate – Death rate

Population increase rate for country A = 7.6 – 5.3 = 2.3 per thousand of population

Population increase rate for country C = 4.3 – 2.4 = 1.9 per thousand of population

⇒ Population increase of country A

= | [2.3 × Population of country A] | |

1000 |

Population increase of country C

= | [1.9 × Population of country C] | |

1000 |

Since the population increase in both countries A and C is equal.

∴ |
[2.3 × Population of country A] | = | [1.9 × Population of country C] |

1000 | 1000 |

⇒ [2.3 × Population of country A] = [1.9 × Population of country C]

⇒ | Population of country A | = | 1.9 | = | 19 |

Population of country C | 2.3 | 23 |

∴ Ratio of populations of countries A and C at the beginning of year 2014 was 19 : 23.

Hence, option C is correct.

4

C

Death rate of country B = 6.6We know that,

Number of deaths in a country = | [Death rate × Population] |

1000 |

Number of deaths in country B = | [6.6 × 20 million] | = 132 k |

1000 |

Death rate of country D = 1.7

Number of deaths in country D = | [1.7 × 30 million] | = 51 k |

1000 |

Total number of deaths in both countries combined = (132 + 51) thousand = 183 thousand = 0.183 million

Total population of both countries combined = 20 million + 30 million = 50 million

Using the formula again,

Number of deaths in a country = | [Death rate × Population] |

1000 |

⇒ Number of deaths in both countries combined

= | [Combined death rate × Combined Population] |

1000 |

⇒ 0.183 million = | [Combined death rate × 50 million] |

1000 |

⇒ Combined death rate = | 183 | = 3.66 |

50 |

Hence, option C is correct.

5

E

We know that,Number of deaths in a country = | [Death rate × Population] |

1000 |

Hence, option E is correct.

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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.

At Smartkeeda you can attempt High Level Data Interpretation quizzes and download (DI) PDF for free.