Observe the given bar graph carefully and answer the questions that follow.
(a) What information does the bar graph depict?
(b) How many motor bikes were produced in the first three months?
(c) Calculate the increase in production in May over the production in January.
(d) In which month the production was minimum and what was it?
(e) Calculate the average (mean) production of bikes in 6 months.
Solution:
Given, the bar graph represents the production of motor bikes per month by XYZ automobiles Ltd.
(a) The bar graph depicts the production of motorbikes by XYZ Automobiles Ltd during January to June.
(b) We have to find the number of motor bikes produced in the first three months.
Motorbikes produced in January = 600
Motorbikes produced in February = 800
Motorbikes produced in March = 700
Number of bikes produced in first three months = 600 + 800 + 700
= 1400 + 700
= 2100
(c) We have to calculate the increase in production in May over the production in January.
Motorbikes produced in January = 600
Motorbikes produced in May = 900
Increase in production = Production in May - production in January
= 900 - 600
= 300
(d) We have to find the month in which the production was minimum.
Motorbikes produced in January = 600
Motorbikes produced in February = 800
Motorbikes produced in March = 700
Motorbikes produced in April = 1100
Motorbikes produced in May = 900
Motorbikes produced in June = 500
Therefore, the production was minimal in June.
(e) We have to calculate the average (mean) production of bikes in 6 months
Average production = (600 + 800 + 700 + 1100 + 900 + 500) / 6
= 4600/6
= 766.666
= 767 bikes
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☛ Also Check: NCERT Solutions for Class 7 Maths Chapter 3
NCERT Exemplar Class 7 Maths Chapter 3 Problem 72
Observe the given bar graph carefully and answer the questions that follow. (a) What information does the bar graph depict? (b) How many motor bikes were produced in the first three months? (c) Calculate the increase in production in May over the production in January (d) In which month the production was minimum and what was it? (e) Calculate the average (mean) production of bikes in 6 months
Summary:
(a) The bar graph depicts the production of motorbikes by XYZ Automobiles Ltd during January to June, (b) 2100 motor bikes were produced in the first three months, (c) The increase in production in May over the production in January is 300, (d) The production was minimal in June, (e) The average (mean) production of bikes in 6 months is 767 bikes.
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