Tr Jain & Vk Ohri 2017 Solutions for Class 11 Science Economics Chapter 8 Arithematic Line Graphs Or Time Series Graphs are provided here with simple step-by-step explanations. These solutions for Arithematic Line Graphs Or Time Series Graphs are extremely popular among Class 11 Science students for Economics Arithematic Line Graphs Or Time Series Graphs Solutions come handy for quickly completing your homework and preparing for exams. All questions and answers from the Tr Jain & Vk Ohri 2017 Book of Class 11 Science Economics Chapter 8 are provided here for you for free. You will also love the ad-free experience on Meritnation’s Tr Jain & Vk Ohri 2017 Solutions. All Tr Jain & Vk Ohri 2017 Solutions for class Class 11 Science Economics are prepared by experts and are 100% accurate.

#### Page No 134:

#### Question 1:

Get data from your school office on the total fee charged for admission to Class XI, between the period 2010-2017. Plot the data on graph paper. Read the arithmetic line graph carefully and write your observation.

#### Answer:

Year |
2010 − 11 |
2011 − 12 |
2012 − 13 |
2013− 14 |
2014− 15 |
2015 − 16 |
2016 −17 |

Fees |
10000 |
10500 |
13000 |
12000 |
14000 |
14500 |
15250 |

**Observation**:*From the above graph, we can observe that the school has increased the fee charged for admission to class XI, from the academic year 2010-11 till 2012-13. However, in the year 2013-14 the school decreased the fee amount from Rs 13,000 to Rs 12,000 after which the school fee was again increased from the year 2014-15 till 2016-17.*

#### Page No 136:

#### Question 1:

Find out the data from your father about monthly family expenditure during the year 2017. Get similar information from your trustworthy close friend. Make an arithmetic line graph. Write your observations on the quality of life of the two families.

#### Answer:

*The following table show the monthly expenditure of our family and that of my close friend Sachin's family.*

Month |
Jan. |
Feb. |
Mar. |
Apr. |
May |
Jun. |
Jul. |
Aug. |
Sep. |
Oct. |
Nov. |
Dec. |

Expenditure of our family |
20,000 |
21,000 |
26,000 |
23,000 |
23,500 |
24,000 |
21,000 |
22,000 |
22,700 |
26,000 |
27,000 |
28,000 |

Expenditure of Sachin's Family |
35,000 |
38,000 |
38,900 |
37,000 |
40,000 |
36,000 |
35,500 |
37,900 |
34,500 |
37,600 |
40,000 |
39,800 |

Sachin's family expenditure is more than our's therefore their standard of living is better than us.

**Observation:**Sachin's family expenditure is more than our's therefore their standard of living is better than us.

#### Page No 141:

#### Question 1:

Plot the anuual profits of a firm on a time series graph:

Year | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 |

Profit ('000 ₹) | 60 | 72 | 75 | 65 | 80 | 95 |

#### Answer:

**Annual Profits of a Firm**

#### Page No 141:

#### Question 2:

Plot the following hypothetical figures on a time series graph:

Year | Imports (₹ thousand crore) |
Exports (₹ thousand crore) |

2012-13 2013-14 2014-15 2015-16 2016-17 |
123 178 215 231 245 |
106 140 159 203 209 |

#### Answer:

#### Page No 141:

#### Question 3:

The following are the figures of sales of two firms A and B for the years 2010-2017. Present the data graphically.

Year | Sales of Firm A (in thousand units) |
Sales of FIrm B (in thousand units) |

2010 2011 2012 2013 2014 2015 2016 2017 |
15 17 20 19 25 28 29 27 |
4 9 11 12 8 10 13 12 |

#### Answer:

**Sales of Firm A and Firm B**

#### Page No 141:

#### Question 4:

The following are the sales figures of TVs of Firm A, during 2012-2017:

Year | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 |

Sale (in thousand units) | 2,155 | 2,201 | 2,250 | 2,190 | 2,095 | 2,170 |

#### Answer:

**Sales of T.V. of Firm A**

** (Year 2012-17) **

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