Q. 115.0( 1 Vote )

# Read the following bar graph (Fig. 23.15) and answer the following questions:

(i) What information is given by the bar graph?

(ii) What was the production of cement in the year 1980-81?

(iii) What is the minimum and maximum production of cement and corresponding years?

Answer :

(i) It gives information regarding industrial production of cement in different years in India.

(ii) The production of cement in the year 1980-81 = 186 lakh tonnes.

(iii) The minimum production is 1530 lakh tonnes in 1950-51 and maximum production 232 lakh tonnes 1982-83.

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PREVIOUSThe following bar graph (Fig. 23.14) represents the heights (in cm) of 50 students of Class XI of a particular school. Study the graph and answer the following questions:
(i) What percentage of the total number of students have their heights more than 149 cm?
(ii) How many students in the class are in the range of maximum height of the class?
(iii) The school wants to provide a particular type of tonic to each student below the height of 150 cm to improve his height. If the cost of the tonic for each student comes out to be Rs. 55, how much amount of money is required?
(iv) How many students are in the range of shortest height of the class?
(v) State whether true or False:
(a) There are 9 students in the class whose heights are in the range of 155-159 cm.
(b) Maximum height (in cm) of a student in the class is 17.
(c) There are 29 students in the class whose heights are in the range of 145-154 cm.
(d) Minimum height (in cm) of a student is the class is in the range of 140-144 cm.
(e) The number of students in the class having their heights less than 150 cm is 12.
(f) There are 14 students each of whom has height more than 154 cm.NEXTThe bar graph shown in Fig. 23.16 represents the circulation of newspapers in 10 languages.Study the bar graph and answer the following questions:(i) What is the total number of newspapers published in Hindi, English, Urdu, Punjabi and Bangali?(ii) What percent is the number of newspapers published in Hindi of the total number of newspapers?(iii) Find the excess of the number of newspapers published in English over those published in Urdu.(iv) Name two pairs of languages which publish the same number of newspapers.(v) State the language in which the smallest number of newspapers are published.(vi) State the language in which the largest number of newspapers are published.(vii) State the language in which the number of newspapers published is between 2500 and 3500.(viii) State whether true or False:(a) The number of newspapers published in Malayalam and Marathi together is less than those published in English.(b) The number of newspapers published in Telugu is more than those published in Tamil.

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