EduSahara™ Worksheet

Question 1

1.

Heights of 149 plants (in cm) are given below.
Identify the class interval table for the given histogram.

(i)

Height (in cm)

69 - 75

75 - 81

81 - 87

87 - 93

93 - 99

99 - 105

105 - 111

111 - 117

No. of plants

20

17

13

14

13

38

5

29
(ii)

Height (in cm)

69 - 75

75 - 81

81 - 87

87 - 93

93 - 99

99 - 105

105 - 111

111 - 117

No. of plants

20

17

14

13

15

38

5

29
(iii)

Height (in cm)

69 - 75

75 - 81

81 - 87

87 - 93

93 - 99

99 - 105

105 - 111

111 - 117

No. of plants

20

17

14

13

13

38

5

29
(iv)

Height (in cm)

69 - 75

75 - 81

81 - 87

87 - 93

93 - 99

99 - 105

105 - 111

111 - 117

No. of plants

20

17

18

13

13

38

5

29
(v)

Height (in cm)

69 - 75

75 - 81

81 - 87

87 - 93

93 - 99

99 - 105

105 - 111

111 - 117

No. of plants

20

29

14

13

13

38

5

17

Question 2

2.

The marks obtained by
19
students in an examination are given below.
Represent the data in the form of a frequency distribution table
in exclusive form
taking class size
6
.
68

40

46

76

70

69

58

78

76

59

58

57

45

59

65

67

74

40

74

(i)

Marks

40 - 46

46 - 52

52 - 58

58 - 64

64 - 70

70 - 76

76 - 82

No. of Students

3

1

1

6

4

3

3
(ii)

Marks

40 - 46

46 - 52

52 - 58

58 - 64

64 - 70

70 - 76

76 - 82

No. of Students

3

3

1

4

4

3

1
(iii)

Marks

40 - 46

46 - 52

52 - 58

58 - 64

64 - 70

70 - 76

76 - 82

No. of Students

3

1

1

4

4

3

3
(iv)

Marks

40 - 46

46 - 52

52 - 58

58 - 64

64 - 70

70 - 76

76 - 82

No. of Students

3

1

6

4

4

3

3

Question 3

3.

The table below shows the preferred free time activity of 522 school students. Find the pie chart sector angle for "Singing"

Activity	Watching TV	Listening music	Reading books	Singing	Playing
No.of students	54	72	90	126	180

(i)

85.90°
(ii)

88.90°
(iii)

87.90°
(iv)

84.90°
(v)

86.90°

Question 4

4.

Ages of 197 students (in years) are given below.
Identify the class interval table for the given histogram.

(i)

Age (in years)

12 - 17

17 - 22

22 - 27

27 - 32

32 - 37

No. of students

25

47

48

36

41
(ii)

Age (in years)

12 - 17

17 - 22

22 - 27

27 - 32

32 - 37

No. of students

25

47

53

36

41
(iii)

Age (in years)

12 - 17

17 - 22

22 - 27

27 - 32

32 - 37

No. of students

25

48

47

36

41
(iv)

Age (in years)

12 - 17

17 - 22

22 - 27

27 - 32

32 - 37

No. of students

25

41

48

36

47
(v)

Age (in years)

12 - 17

17 - 22

22 - 27

27 - 32

32 - 37

No. of students

25

42

48

36

41

Question 5

5.

In a bar diagram the value represented by a rectangle is proportional to its

(i)

breadth
(ii)

perimeter
(iii)

length
(iv)

area

Question 6

6.

An unbiased die is thrown once. Find the probability of getting a number greater than 4?

(i)

1
2
(ii)

1
3
(iii)

0
(iv)

2
3

Question 7

7.

Read the given column-graph. Find the month that has maximum rainfall.

(i)

August
(ii)

September
(iii)

June
(iv)

October
(v)

July

Question 8

8.

A die is thrown 90 times. Prime numbers appeared on the upper face 55 times. If a die is thrown at random, what is the probability of getting a prime number?

(i)

12
19
(ii)

11
18
(iii)

5
9
(iv)

7
18
(v)

2
3

Question 9

9.

Read the given column-graph. Find the month that has 6 cm rainfall.

(i)

October
(ii)

July
(iii)

November
(iv)

September
(v)

August

Question 10

10.

The total export earnings of ₹640 thousand crore of a country during five years is shown below. Find the year that has maximum export earnings.

(i)

2006-07
(ii)

2007-08
(iii)

2009-10
(iv)

2008-09
(v)

2010-11

Question 11

11.

The total export earnings of ₹4320 crores of a country during five years is shown below. Find the pie chart sector angle for "2008-09"

Years	2006-07	2007-08	2008-09	2009-10	2010-11
Exports(in thousand crore)	180	720	810	1170	1440

(i)

66.50°
(ii)

68.50°
(iii)

69.50°
(iv)

65.50°
(v)

67.50°

Question 12

12.

The results declared by a school was as under. Identify the table for the given pie diagram.

(i)

Result

I division

II division

III division

Failed

No. of Students

54

72

27

90
(ii)

Result

I division

II division

III division

Failed

No. of Students

54

72

90

27
(iii)

Result

I division

II division

III division

Failed

No. of Students

54

90

27

72

Question 13

13.

57 cards are numbered 1,2,3,....57 and put in a box and mixed thoroughly. A card is drawn at random. What is the probability that the number on the drawn card is less then 16?

(i)

14
19
(ii)

3
10
(iii)

5
19
(iv)

4
19
(v)

6
19

Question 14

14.

The total export earnings of ₹5400 crores of a country during five years is shown below. Find the earnings (in crores) in 2007-08.

(i)

932
(ii)

930
(iii)

927
(iv)

933
(v)

928

Question 15

15.

One card is drawn at random from a well shuffled deck of 52 cards. What is the probability that the card drawn is a jack of clubs?

(i)

1
4
(ii)

1
13
(iii)

1
52
(iv)

1
26
(v)

3
13

Question 16

16.

The class boundaries of 11 - 14 which is in exclusive form are

(i)

10.5

-

14
(ii)

10.5

-

14.5
(iii)

11

-

14
(iv)

11

-

14.5
(v)

11.5

-

13.5

Question 17

17.

513 students of a certain locality use different modes of travel to school as given below.

Mode of travel

School Bus

Scooter

Moped

RTC Bus

Car

No. of Students

81

90

126

162

54

Find the number of students whose travelling mode is Moped.

(i)

128
(ii)

125
(iii)

126
(iv)

127
(v)

124

Question 18

18.

What is the probability of a sure event?

(i)

0
(ii)

3
4
(iii)

1
(iv)

1
4
(v)

1
2

Question 19

19.

Two unbiased coins are tossed simultaneously. Find the probability of getting at most one head.

(i)

4
5
(ii)

1
4
(iii)

1
(iv)

1
2
(v)

3
4

Question 20

20.

522 students of a certain locality use different modes of travel to school as shown below. Find the pie chart sector angle for "RTC Bus"

Mode of travel	Moped	Bicycle	School Bus	Auto	RTC Bus
No. of students	54	90	108	126	144

(i)

97.31°
(ii)

100.31°
(iii)

101.31°
(iv)

99.31°
(v)

98.31°

Question 21

21.

The total export earnings of ₹810 thousand crore of a country during five years is shown below. Find the year that has minimum export earnings.

(i)

2009-10
(ii)

2010-11
(iii)

2007-08
(iv)

2008-09
(v)

2006-07

Question 22

22.

A histogram consists of

(i)

triangles
(ii)

squares
(iii)

rectangles
(iv)

sectors

Question 23

23.

A coin is tossed 40 times and head appears 20 times. If the coin is tossed again, what is the probability of getting a tail?

(i)

3
4
(ii)

1
2
(iii)

5
6
(iv)

2
3
(v)

4
5

Question 24

24.

Daily wages of 163 labourers (in ₹) are given below.
Identify the class interval table for the given histogram.

(i)

Daily wage (in Rs)

214 - 223

224 - 233

234 - 243

244 - 253

254 - 263

264 - 273

No. of labourers

30

46

42

15

5

28
(ii)

Daily wage (in Rs)

214 - 223

224 - 233

234 - 243

244 - 253

254 - 263

264 - 273

No. of labourers

30

28

39

15

5

46
(iii)

Daily wage (in Rs)

214 - 223

224 - 233

234 - 243

244 - 253

254 - 263

264 - 273

No. of labourers

30

46

39

15

5

28
(iv)

Daily wage (in Rs)

214 - 223

224 - 233

234 - 243

244 - 253

254 - 263

264 - 273

No. of labourers

30

46

39

12

5

28
(v)

Daily wage (in Rs)

214 - 223

224 - 233

234 - 243

244 - 253

254 - 263

264 - 273

No. of labourers

30

39

46

15

5

28

Question 25

25.

The daily wages (in rupees) of
20
workers in a factory are given below.
Represent the data in the form of a frequency distribution
in exclusive form
taking class size
30
.
227

292

205

202

294

295

245

242

244

264

217

290

244

203

205

281

286

287

232

249

(i)

Wages (in rupees)

202 - 232

232 - 262

262 - 292

292 - 322

No. of Workers

6

6

5

3
(ii)

Wages (in rupees)

202 - 232

232 - 262

262 - 292

292 - 322

No. of Workers

6

6

1

3
(iii)

Wages (in rupees)

202 - 232

232 - 262

262 - 292

292 - 322

No. of Workers

6

11

5

3
(iv)

Wages (in rupees)

202 - 232

232 - 262

262 - 292

292 - 322

No. of Workers

6

5

6

3
(v)

Wages (in rupees)

202 - 232

232 - 262

262 - 292

292 - 322

No. of Workers

3

6

5

6

Assignment Key