In a throw of die, the probability of getting the number 8, is

1

(a)

\(\frac{1}{2}\)

(b)

\(\frac{5}{12}\)

(c)

1

(d)

0

The length of a rectangle in a histogram shows the

1

(a)

width of the class

(b)

lower limit of the class

(c)

upper limit of the class

(d)

frequency of the class

A geometric representation showing the relationship between a whole and its parts is a

1

(a)

pie chart

(b)

bar graph

(c)

histogram

(d)

pictograph

The range of the data 18, 20, 22, 19, 17,35,44, 46, 38, 40 is

1

(a)

24

(b)

29

(c)

46

(d)

31

A coin is tossed 300 times and head appeared 180 times. The probability of getting a head in this experiment in

1

(a)

\(\frac{2}{5}\)

(b)

\(\frac{1}{5}\)

(c)

\(\frac{3}{5}\)

(d)

\(\frac{4}{5}\)

A graph showing two sets of data simultaneously is called a

1

(a)

double bar graph

(b)

pie chart

(c)

histogram

(d)

pictograph

Ram puts some buttons on the table. There were 4 blue, 7 red, 3 black and 6 white buttons in all. All of a sudden, a cat jumped on the table and knocked out one button on the floor. What is the probability that the button on the floor is blue?

1

(a)

\(\frac{7}{20}\)

(b)

\(\frac{3}{5}\)

(c)

\(\frac{1}{5}\)

(d)

\(\frac{1}{4}\)

The large number of observations are usually organised in groups of equal width called _______.

1

(a)

class interval

The class size of the interval 28 - 32 is ____________.

1

(a)

4

The total number of outcomes, when a die is 'thrown, is _____________.

1

(a)

6

Histogram bars are drawn with equal ___________ to a class interval without leaving any gap in between.

1

(a)

width

In a throw of a die, the outcomes are equally __________.

1

(a)

likely

In a histogram, class intervals and frequencies are taken along _______ axis and ________ axis respectively.

1

(a)

X-axis, Y-axis

In a pie chart, a whole circle is divided into sectors.

1

(a) False

(b) True

In the class intervals 10 - 20, 20 - 30, etc .... respectively, 20 lies in the class interval 10 - 20.

1

(a) True

(b) False

The total number of outcomes when a coin is tossed is 6.

1

(a) True

(b) False

The central angle of a sector in a pie chart cannot be more than 180^o.

1

(a) True

(b) False

One or more outcomes of an experiment make an event.

1

(a) False

(b) True

The probability of getting a number 6 in a throw of a die is \(\frac{1}{6}\) Similarly, the probability of getting a number 4 is \(\frac{1}{4}\)

1

(a) True

(b) False

In a throw of a die, the probability of getting an odd number is the same as that of getting an even number.

1

(a) False

(b) True

Following numbers related to the weekly wages (in Rs) of 18 workers in a factory :
300, 200, 150, 350, 200, 300, 350, 150, 200, 350, 150, 300, 350, 250, 250, 200, 300, 350
Prepare frequency table.
(i) What is the range in wages (in Rs)?
(ii) How many workers are getting Rs 200?
(iii) How many workers are getting the minimum wages?

2

(a)

Number of workshops organised by a school in different areas during the last five years are as follows:

Years	Number of workshops
1995 - 1996	25
1996 - 1997	30
1997 - 1998	44
1998 - 1999	52
1999 - 2000	65

Draw a histogram representing the above data.

2

(a)

Which form of graph would be appropriate to display the following data.

Production of food grains of a state.

Years	2001	2002	2003	2004	2005	2006
Production   (in lakh tonne)	60	50	70	55	80	85

2

(a)

If you try to start a scooter, what are the possible outcomes?

2

(a)

Read the following pictograph and answer the following questions.

(i) How many cars were produced in the month of July?
(ii) In which month were maximum number of cars produced?

3

(a)

Construct a frequency distribution table for the data on weights (in kg) of 20 students of a class using intervals 30-35, 35-40 and so on. 40,38,33,48,60,53,31,46,34,36,49,41, 55, 49, 65, 42, 44, 47, 38, 39.

3

(a)

Observe the histogram in the following figure and answer the questions given below:

(i) What information is being given by the histogram?
(ii) Which group contains maximum girls?
(iii) How many girls have a height of 145 cm and more?
(iv) If we divide the girls into following three categories, how many would there be in each?

150 cm and more	- Group A
140 cm to less than 150 cm	- Group B
Less than 140 cm	- Group C

3

(a)

Each of the following pie charts (see the following figures), gives you a different piece of information about your class. Find the fraction of the circle representing each of these information.

3

(a)

Percentage wins in ODI by 8 top cricket teams.

Teams	From champions trophy to world cup 2006	Last 10 001 in 2007
South Africa	75%	78%
Australia	61%	40%
Sri Lanka	54%	38%
New Zealand	47%	50%
England	46%	50%
Pakistan	45%	44%
West Indies	44%	30%
India	43%	56%

5

(a)

The number of hours for which students of a particular class watched television during holidays is shown through the given graph.

Answer the following:
(i) For how many hours did the maximum number of students watch TV?
(ii) How many students watched TV for less than 4 h?
(iii) How many students spent more than 5 h in watching TV?

5

(a)