The given bar graph shows the number of students of class VIII present on each day of a certain week. How much is the attendance on Friday?

Q. On a particular day in a school, the attendance in each of the classes from VI to X has been recorded as under.

Class	VI	VII	VIII	IX	X
Total no. of students	95	90	82	75	68
Number of students present on that day	92	85	78	69	62

Draw a double bar graph, choosing an appropriate scale.
Using the bar graph, answer the questions given below.
(i) Which class has the maximum number of students?
(ii) Find the ratio of number of students present to the total number of students in Class VII.
(iii) What per cent of Class IX students were absent?

Q. The number of students present on each of the five days of the week from Grade 5 and Grade 6 are represented in the bar graphs below. How many more students are present in Grade 6 on Wednesday?

Q. Astronaut Jack attends $44$ hours of lectures every week. He attends $2$ hours of lectures on Friday and $10$ hours of lectures on Saturday. On all remaining days, the duration of lectures is the same. Calculate the duration of lectures that he attends on each remaining day of the week, given that Sunday is a holiday.

Q. Getting Smart with Charts

Attendance Board
Date 8/2/2007
Class	Number of students	Students present	Students absent
Class I	27	25	2
Class II	23	22	1
Class III	24	21	3
Class IV	22	18	4
Class V	25	23	2
Total

This board shows the number of students in each class. It also shows the number of students present and absent.
• How many children in all are there in the school? _________
• How many children in all are absent on that day? _________

Q. In a certain class, one-third of the students were absent. Half of the total strength attended the Maths test and one-fourth of the total strength attended the Physics test. If $6$ students attended both the tests and every student who was present attended at least one of the two tests, then how many students were absent on that day ?