Pie chart shows the percent of students in five different classes in 2016.

Total Students in all the classes together = 1000

Second pie chart shows the average fee per student of five different classes in 2016.

Total average fee per student of five classes together = Rs.800

Important for :

1

A

Number of students in class A in 2016 = 22% of 1000 = 220Average fee per student in class A in 2016

= 800 × | 67.5 | = Rs. 150 |

360 |

Number of students in class A in 2017 = 110% of 220 = 242

Average fee per student in class A in 2017 = 120% of 150 = Rs.180

Total revenue generated from class A in the year 2017 = Number of students × Average fee per students = 242 × 180 = Rs.43560

Hence, option A is correct.

2

B

Total revenue generated from class C in 2016 = Number of students × Average fee per students⇒ (16% of 1000) × | 800 × 49.5 | = Rs.(160 × 110) |

360 |

Total revenue generated from class E in 2016 = Number of students × Average fee per students

⇒ (19% of 1000) × | 800 × 72 | = Rs.(190 × 160) |

360 |

Reqd. % = | 160 × 110 | × 100 = 57.89 ≈ 58% |

190 × 160 |

Hence, option B is correct.

3

C

Total revenue generated from class E in 2016 = Number of students × Average fee per students⇒ (19% of 1000) × | 800 × 72 | = Rs.(190 × 160) |

360 |

Number of students in class F = (18% of 1000) + 20 = 180 + 20 = 200

Average fee per student in class F

= 800 × | 90 | + 50 = 200 + 50 = Rs.250 |

360 |

Total revenue generated from class F = Rs.(200 × 250)

Required ratio = (190 × 160) : (200 × 250) = 76 : 125

Hence, option C is correct.

4

C

Average fee per student = | Total fee |

Total students |

Total fee of class C = (16% of 1000) × [800 × | 49.5 | ] |

360 |

= 160 × 110 = Rs.17600

Total fee of class D = (25% of 1000) × [800 × | 81 | ] |

360 |

= 250 × 180 = Rs.45000

Total fee of class E = (19% of 1000) × [800 × | 72 | ] |

360 |

= 190 × 160 = Rs.30400

Total fee of classes C, D and E together = Rs. (17600 + 45000 + 30400) = Rs. 93000

Total students in classes C, D and E together = 160 + 250 + 190 = 600

Reqd. average = Rs. | 93000 | = Rs. 155 |

600 |

Hence, option C is correct.

5

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Regards,

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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 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

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 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

In these,

At Smartkeeda you can attempt

Regards,

Team Smartkeeda