Operations on Fractions — Maths STD 6 — Question

A square sheet of side 5cm is cut out from a rectangular piece of an aluminimum sheet of length 9cm and breadth 6cm. What is the area of the aluminium sheet left over?

Using a protractor, draw an angle of measure 72°. With this angle as given, draw angles of measure 36° and 54°.

Draw a line segment AB = 5.6cm. Draw the perpendicular bisector of AB.

Identify and name the line segments and rays in the following figure:

The following table shows the daily production of T.V. sets in an industry for 7 days of a week:

Day	Mon	Tue	Wed	Thurs	Fri	Sat	Sun
Number of T.V. Sets	300	400	150	250	100	350	200

Represent the above information by a pictograph.

Three different containers contain 403L, 434L and 465L of milk respectively. Find the capacity of a container which can measure the milk of all containers in an exact number of times.

The following data gives the amount of loans (in crores of rupees) disbursed by a bank during some years:

Year	1992	1993	1994	1995	1996
Loan (in crores of rupees)	28	33	55	55	80

1. Represent the above data with the help of a bar graph.
2. With the help of the bar graph, indicate the year in which amount of loan is not increased over that of the preceding year.

The following bar graph shows the results of an annual examination in a secondary school.
Read the bar graph and choose the correct option in each of the following.

1. The pair of classes in which the results of boys and girls are inversely proportional are:

1. VI, VIII
2. VI, IX
3. VIII, IX
4. VIII, X

2. The class having the lowest faliure rate of girls is:

1. VII
2. X
3. IX
4. VIII

3. The class having the lowest pass rate of student is:

1. VI
2. VII
3. VIII
4. IX

A room is 8m long and 6m wide. Its floor is to be covered with rectangular tiles of size 25cm by 20cm. How many tiles will be required? Find the cost of these tiles at Rs. 25 per tile.