EduSahara™ Worksheet

Question 1

1.

A coin is tossed 80 times and tail appears 70 times. If the coin is tossed again, what is the probability of getting a head?

(i)

1
8
(ii)

0
(iii)

2
9
(iv)

7
8
(v)

1
4

Question 2

2.

On a certain day, the temperature in a city was recorded as shown below. Find the time that has 11 °C temperature.

(i)

11 a.m.
(ii)

5 p.m.
(iii)

5 a.m.
(iv)

7 a.m.
(v)

3 p.m.

Question 3

3.

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

(i)

1
4
(ii)

1
2
(iii)

4
5
(iv)

3
4
(v)

1

Question 4

4.

Weights of 11 students are given below. Find the mode.

Weight (in kg)

46

47

54

56

No. of students

4

3

3

1

(i)

45

kg
(ii)

48

kg
(iii)

44

kg
(iv)

47

kg
(v)

46

kg

Question 5

5.

Identify the frequency distribution table for the given ages of 12 students in years
11

23

22

21

10

22

19

18

10

17

21

17

(i)

Age (in years)

11

14

15

16

17

19

20

21

22

23

No. of Students

1

1

1

1

2

1

2

1

1

1
(ii)

Age (in years)

10

17

18

19

21

22

23

No. of Students

2

3

1

1

2

2

1
(iii)

Age (in years)

10

11

17

18

19

21

22

23

No. of Students

2

1

1

1

1

2

3

1
(iv)

Age (in years)

13

14

15

16

19

21

22

23

24

25

No. of Students

1

1

1

1

1

1

1

1

3

1
(v)

Age (in years)

10

11

17

18

19

21

22

23

No. of Students

2

1

2

1

1

2

2

1

Question 6

6.

Temperatures of 10 days (in °C) are given below. Find the median temperature.

30

25

34

33

32

28

35

27

35

34

(i)

69
2

°C
(ii)

65
2

°C
(iii)

67
2

°C
(iv)

33

°C

Question 7

7.

Following bar graph gives the average temperature of a place during a week. Find the day that has maximum temperature.

(i)

Thurs.
(ii)

Tues.
(iii)

Sun.
(iv)

Mon.
(v)

Wed.

Question 8

8.

Daily wages of 13 labourers (in ₹) are given below. Find the median wage.

424

325

423

347

430

331

307

336

341

379

473

444

466

(i)

₹

378.00
(ii)

₹

379.00
(iii)

₹

380.00
(iv)

₹

381.00
(v)

₹

377.00

Question 9

9.

Daily wages of 16 labourers (in ₹) are given below. Find the mode wage.

467

420

466

367

344

426

426

415

460

424

413

479

317

318

367

367

(i)

₹

366.00
(ii)

₹

368.00
(iii)

₹

367.00
(iv)

₹

369.00
(v)

₹

365.00

Question 10

10.

Find the mean of all prime numbers between 30 and 60.

(i)

309
7
(ii)

313
7
(iii)

133
3
(iv)

311
7
(v)

223
5

Question 11

11.

3204 students of a school use different modes of travel to school. Identify the table for the given bar diagram.

(i)

Mode of travel

Car

Auto

Moped

School Van

RTC Bus

No. of Boys

360

270

450

432

153

No. of Girls

234

270

432

153

450
(ii)

Mode of travel

Car

Auto

Moped

School Van

RTC Bus

No. of Boys

360

270

450

432

153

No. of Girls

234

270

432

153

458
(iii)

Mode of travel

Car

Auto

Moped

School Van

RTC Bus

No. of Boys

360

277

450

432

153

No. of Girls

234

264

432

153

450
(iv)

Mode of travel

Car

Auto

Moped

School Van

RTC Bus

No. of Boys

234

270

438

153

450

No. of Girls

360

270

443

432

153
(v)

Mode of travel

Car

Auto

Moped

School Van

RTC Bus

No. of Boys

360

270

450

425

153

No. of Girls

234

270

432

153

450

Question 12

12.

The air distance of some cities from Delhi (in km) are given below. Find the city that has minimum distance.

(i)

Kochi
(ii)

Trivandrum
(iii)

Hubli
(iv)

Indore
(v)

Mangalore

Question 13

13.

Rainfall of 15 days (in mm) are given below. Find the median rainfall.

7

8

5

8

6

14

8

8

9

6

12

5

9

10

9

(i)

8

mm
(ii)

6

mm
(iii)

10

mm
(iv)

9

mm
(v)

7

mm

Question 14

14.

Ages of 11 students (in years) are given below. Find the mean age.

13

11

10

12

11

14

10

14

14

12

11

(i)

13

years
(ii)

11

years
(iii)

10

years
(iv)

14

years
(v)

12

years

Question 15

15.

Heights of 14 students (in cm) are given below. Find the mean height.

135

145

137

163

129

151

133

175

151

142

131

148

129

160

(i)

145

cm
(ii)

2031
14

cm
(iii)

2029
14

cm
(iv)

2057
14

cm
(v)

2043
14

cm

Question 16

16.

The marks obtained by 12 students in a test are given below. Find their mean marks.

38

27

41

22

6

36

37

39

3

10

44

38

(i)

113
4
(ii)

343
12
(iii)

341
12
(iv)

397
14
(v)

57
2

Question 17

17.

Two coins are tossed simultaneously 80 times and it was observed that both tails appeared 50 times. If two coins are tossed simultaneously at random, what is the probability of getting both tails?

(i)

2
3
(ii)

3
8
(iii)

3
4
(iv)

5
8
(v)

1
2

Question 18

18.

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

(i)

area
(ii)

perimeter
(iii)

breadth
(iv)

length

Question 19

19.

There are 1917 creatures in a zoo as shown in the bar graph. Identify the table for the given bar diagram.

(i)

Type of Creatures

Water animals

Domestic animals

Reptiles

Birds

Wild animals

Land animals

Beast animals

No. of Creatures

162

351

396

63

297

207

441
(ii)

Type of Creatures

Water animals

Domestic animals

Reptiles

Birds

Wild animals

Land animals

Beast animals

No. of Creatures

441

396

207

351

162

297

63
(iii)

Type of Creatures

Water animals

Domestic animals

Reptiles

Birds

Wild animals

Land animals

Beast animals

No. of Creatures

396

441

207

162

351

297

63
(iv)

Type of Creatures

Water animals

Domestic animals

Reptiles

Birds

Wild animals

Land animals

Beast animals

No. of Creatures

396

351

297

207

162

441

63
(v)

Type of Creatures

Water animals

Domestic animals

Reptiles

Birds

Wild animals

Land animals

Beast animals

No. of Creatures

162

441

207

351

63

396

297

Question 20

20.

Find the median of all the factors of 20.

(i)

5
(ii)

9
2
(iii)

11
2
(iv)

7
2
(v)

17
4

Question 21

21.

Find the median of the first 15 even numbers.

(i)

15
(ii)

16
(iii)

17
(iv)

19
(v)

13

Question 22

22.

Three unbiased coins are tossed simultaneously. Find the probability of getting exactly one head.

(i)

1
4
(ii)

1
2
(iii)

5
8
(iv)

3
8
(v)

4
9

Question 23

23.

A single unbiased coin is tossed. Find the probability of getting a head.

(i)

2
3
(ii)

4
5
(iii)

1
2
(iv)

3
4
(v)

5
6

Question 24

24.

Find the mean of first 7 whole numbers.

(i)

1
(ii)

5
(iii)

3
(iv)

2
(v)

4

Question 25

25.

Following bar graph gives the average temperature of a place during a week. Find the day that has 25 °C temperature.

(i)

Fri.
(ii)

Thurs.
(iii)

Sun.
(iv)

Mon.
(v)

Wed.

Assignment Key