NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 3: Data Handling - Problems and SolutionsQuestion 74
Class 7 - Mathematics - Unit 3: Data Handling - Problems and Solutions
Question. 74
Study the bar graph given below and answer the questions that follow.
(a) What information does the above bar graph represent?
(b) In which year was production the least?
(c) After which year was the maximum rise in the production?
(d) Find the average production of rice during the 5 years.
(e) Find difference of rice production between years 2006 and 2008.
Answer:
(a) The production of rice (in million tonnes) by a country during the years 2005 to 2009
(b) 2006
(c) 2006
(d) 54 million tonnes
(e) 10 million tonnes
Detailed Answer with Explanation:
(a) Bars represent yearly rice production.
(b) Least height = 2006 (40).
(c) Max rise = 2006 to 2007 (40 to 70).
(d) Avg = (50+40+70+50+60)/5 = 54.
(e) 2008 − 2006 = 50 − 40 = 10.