Bar Graphs

Q. In a survey of university students, 64 had taken mathematics course, 94 had taken chemistry course, 58 had taken physics course, 28 had taken mathematics and physics, 26 had taken mathematics and chemistry, 22 had taken chemistry and physics course, and 14 had taken all the three courses. Find how many had taken one course only.

1. 108
2. 105
3. 107
4. 106

Q.

How far has $B$ travelled by the time it passes $C$?

Q.

The histogram gives the information about the number of literate males along with their age. Below the age of 30, how many males are literate?

1. 1400
2. 1300
3. 1900
4. 800

Q.

Modes of transport of 1700 students of NIT Warangal is shown in the graph below.

Which of the following options are correct?

1. 350 students prefer to travel by bus.

2. Cycle is the least preferred mode of transport.

3. Bike is more preferred as compared to metro.

4. Car is the most preferred mode of transport.

Q.

Following graph shows monthly expenditure (in ₹) of a family.

Find the expenditure in the month of March? In which month, the expenditure was the lowest

1. 500

2. 600

3. 1600

4. 800

Q. Find the missing frequencies in the following frequency distribution if it is known that the mean of the distribution is 50.

x:	10	30	50	70	90
f:	17	f1	32	f2	19	Total 120

Q. Draw a frequency polygon and frequency curve for the following data on landholdings of farmers .

Area in hectares	11-20	21-30	31-40	41-50	51-60	61-70	71-80
No. of farmers	58	103	208	392	112	34	12

Q. A __________ is a pictorial representation of data in which rectangular bars of uniform width are drawn with equal spacing between them, with their widths usually placed on the x-axis and the frequency on the y-axis.

1. Bar Graph
2. Histogram
3. Frequency Polygon
4. Pie Chart

Q. Study the following bar chart carefully and answer the questions based on it.
The bar graph below shows the per acre yield (in kg) of different countries.
Sri Lanka's yield (approximately) is what percent of total yield of all the countries?

1. $17.8$%
2. $16.25$%
3. $18.2$%
4. $15.4$%

Q. For the given graph of $f\left(x\right),$ select the correct graph of $f\left(|x|\right).$

1. 
2. 
3. 

Q.

The graph below shows average height of girls at different ages. At what age will the height of the girl be 65 inches?

​​​​​​​

1. 10

2. 20

3. 15

4. None of these

Q.

The bar graph given below shows the sales of newspapers (in million number) from six branches of a publishing company during two consecutive years 2013 and 2014.

i)What is the average sales of all the branches (in million numbers) for the year 2014?

ii) What is the total sales of NP1, NP3 and NP5 for both years?

1. 45.833, 260

2. 49.666, 310

3. 52.666, 160

4. 41.333, 235

Q. A toy manufacturing company produced toys as shown in the bar graph below. The average production of 2004 and 2005 was exactly equal to the average production of which of the following pairs of years?

1. 2003 and 2007
2. None of the above
3. 2001 and 2006
4. 2002 and 2008

Q. Ms. Liz is collecting the data for birthdays of the children in her class. Given below is a bar graph showing the birthdays falling in different months. How many children have their birthdays in April?

1. 9
2. 7
3. 10
4. 8

Q.

Read the graph and fill in the following:

The average number of books sold in May, June and July is___