Following is the pictograph of the number of wrist watches manufactured by a factory in a particular week.

(a) On which day were the least number of wrist watches manufactured?

(b) On which day were the maximum number of wrist watches manufactured?

(c) Find out the approximate number of wrist watches manufactured in the particular week?

The following are the details of number of students present in a class of $30$during a week. Represent it by a pictograph.

The following are the number of electric bulbs purchased for a lodging house during the first four months of a year.

Represent the details by a pictograph.

Read the adjoining bar graph showing the number of students in a particular class of a school.

Answer the following questions :
(a) What is the scale of this graph?
(b) How many new students are added every year?

(c) Is the number of students in the year $2003$ twice that in the year $2000$?

Following table shows the monthly expenditure of Imams' family on various items.

To represent this data in the form of a bar diagram, here are the steps.
(a) Draw two perpendicular lines, one vertical and one horizontal.
(b) Along the horizontal line, mark the ‘items’ and along the vertical line, mark
the corresponding expenditure.

(c) Take bars of same width keeping uniform gap between them.
(d) Choose suitable scale along the vertical line. Let $1$ unit length $=200$ and
then mark the corresponding values.

Shabana wants to put a lace border all around a rectangular table cover  $3 \mathrm{m}$ long and $2 \mathrm{m}$ wide.

Find the length of the lace required by Shabana.

An athlete takes $10$ rounds of a rectangular park, $50 \mathrm{m}$ long and $25 \mathrm{m}$ wide. Find the total distance covered by him.

A farmer has a rectangular field of length and breadth $240 \mathrm{m}$ and $180 \mathrm{m}$ respectively.

He wants to fence it with $3$ rounds of rope as shown in figure $10.4$.

What is the total length of rope he must use?