EduSahara™ Worksheet

EduSahara™ Worksheet

Name : Chapter Based Worksheet

Chapter : Time and Work

Grade : ICSE Grade VIII

License : Non Commercial Use

Question 1

1.

A and B can do a work in
6

days
, B and C can do in
5

days

and C and A can do in
8

days
.
If all three work together,

in how many days will the work be completed?

(i)

4

4
59

days
(ii)

4

4
61

days
(iii)

4

4
57

days
(iv)

4

6
59

days
(v)

4

2
59

days

Question 2

2.

2
men take
3

days
to complete a work.

How much work is done by one man in one day?

(i)

1
3
(ii)

1
2
(iii)

1
6
(iv)

(
-1
6
)

Question 3

3.

A can do a piece of work in
9

days
,
B can do the work in
12

days

and C in
11

days
respectively.
In how much time can they do it together?

(i)

3

57
115

days
(ii)

3

59
113

days
(iii)

3

55
113

days
(iv)

3

19
37

days
(v)

3

57
113

days

Question 4

4.

3
skilled men can do a work in
5

days
.

8
unskilled men can do the same work in
4

days
.

In how many days can
7
skilled and
3
unskilled men do the same work?

(i)

1

211
269

days
(ii)

1

211
267

days
(iii)

1

213
269

days
(iv)

1

211
271

days
(v)

1

209
269

days

Question 5

5.

A and B can do a work in
2

days
and
6

days
respectively.

They together undertook to do a piece of work for
₹3200.00
.

What is the share of B?

(i)

₹799.00
(ii)

₹800.00
(iii)

₹801.00
(iv)

₹2398.00
(v)

₹2400.00

Question 6

6.

A sum of
₹1233.00
will be given to do a work.

A and B can do it in
4

2
17

days
.

How much A, B and C respectively will get if all three work together?

(i)

(

₹315

,

₹378

,

₹540

)
(ii)

(

₹540

,

₹315

,

₹378

)
(iii)

(

₹315

,

₹540

,

₹378

)
(iv)

(

₹378

,

₹315

,

₹540

)
(v)

(

₹378

,

₹540

,

₹315

)

Question 7

7.

A can construct
1
5
of a wall in
1

4
5

hr
.

B can construct
4
7
of the wall in
4

hr
.

C can construct
4
6
of the wall in
6

hr
.

If all three work together, in how much time will they

construct
2
5
of the wall?

(i)

1

9
115

hr
(ii)

1

11
115

hr
(iii)

1

13
115

hr
(iv)

1

11
117

hr
(v)

1

11
113

hr

Question 8

8.

A, B and C can together do a piece of work in
2

1
2

hr
.

B and C can do it in
3

1
3

hr
.

C alone can do it in
10

hr
.

In how much time A and C can do the work together?

(i)

8

hr
(ii)

2

hr
(iii)

4

hr
(iv)

6

hr
(v)

5

hr

Question 9

9.

A can do a piece of work in
15

hr
,
B can do the work in
12

hr

and C in
5

hr
respectively.
In how much time can they do it together?

(i)

3

1
5

hr
(ii)

2

6
7

hr
(iii)

3

1
7

hr
(iv)

2

2
3

hr
(v)

2

4
7

hr

Question 10

10.

A and B can do a work in
4

20
21

days
,
B and C can do it in
6

20
27

days

and C and A can do it in
5

1
11

days
.
In how much time can

each of them do it seperately?

(i)

(

9

days

,

14

days

,

14

days

)
(ii)

(

9

days

,

13

days

,

14

days

)
(iii)

(

8

days

,

13

days

,

14

days

)
(iv)

(

8

days

,

13

days

,

15

days

)
(v)

(

8

days

,

14

days

,

14

days

)

Question 11

11.

opened together and after some time the first pipe is closed and the tank

becomes full in
13

3
5

min
from the time when both pipes are opened.
For how much time was first pipe open?

(i)

4

min
(ii)

0

min
(iii)

1

min
(iv)

2

min
(v)

-2

min

Question 12

12.

A and B together can do a piece of work in
6

2
3

days
.

They work together for
2

days
and then A leaves.

B completes the remaining work in
8

2
5

days
.

In how much time can each of them do the work seperately?

(i)

(

16

days

,

12

days

)
(ii)

(

15

days

,

12

days

)
(iii)

(

14

days

,

12

days

)
(iv)

(

15

days

,

13

days

)
(v)

(

15

days

,

11

days

)

Question 13

13.

Person P is
seven times
as good a workman as Person Q.

They can do a work together in
1

3
4

days
.

In how many days Q alone can do the work?

(i)

14

days
(ii)

11

days
(iii)

15

days
(iv)

16

days
(v)

13

days

Question 14

14.

Due to a leak at the bottom, pipe Y takes
10

hr
to fill the tank.

The leak alone can empty the full tank in
40

hr
.

In what time can pipe Y alone fill the tank when the leak is closed?

(i)

8

hr
(ii)

11

hr
(iii)

7

hr
(iv)

5

hr
(v)

9

hr

Question 15

15.

A and B can do a piece of work in
10

days
and
20

days
respectively.

They work together for
2

days
and then B leaves.

In how many days the whole work is completed?

(i)

8

days
(ii)

7

days
(iii)

10

days
(iv)

9

days
(v)

11

days

Question 16

16.

P and Q can do together a piece of work in
2

8
11

days
.

After they have worked together for
1

day
,
P stops.

Q completes the remaining work in
3

1
6

days
.

In how many days can Q alone do the work?

(i)

3

days
(ii)

7

days
(iii)

6

days
(iv)

5

days
(v)

4

days

Question 17

17.

A sum of
₹423.00
will be given to do a work.

A and B can do it in
4

4
5

hr
.

How much A, B and C respectively will get if all three work together?

(i)

(

₹108

,

₹189

,

₹126

)
(ii)

(

₹189

,

₹108

,

₹126

)
(iii)

(

₹126

,

₹108

,

₹189

)
(iv)

(

₹126

,

₹189

,

₹108

)
(v)

(

₹108

,

₹126

,

₹189

)

Question 18

18.

Pipe A can fill a tank in
5

hr
and pipe B can empty the full tank in

40

hr
.
If both the pipes are opened together,

in how much time will the tank become full?

(i)

5

3
7

hr
(ii)

6

hr
(iii)

5

5
9

hr
(iv)

5

5
7

hr

Question 19

19.

A can construct
6
10
of a wall in
6

days
.

B can construct
1
6
of the wall in
1

1
3

days
.

C can construct
7
8
of the wall in
5

1
4

days
.

If all three work together, in how much time will they

construct
3
6
of the wall?

(i)

1

13
47

days
(ii)

1

13
49

days
(iii)

1

13
45

days
(iv)

1

15
47

days
(v)

1

11
47

days

Question 20

20.

A can do a work in
5

days
.
With the help of B, A can do the same work in

2

11
12

days
.
In how many days can B alone do the work?

(i)

5

days
(ii)

9

days
(iii)

7

days
(iv)

6

days
(v)

8

days

Question 21

21.

In how many days can
20
men do the same work, working
6
hours a day?

(i)

7

1
2

days
(ii)

7

1
4

days
(iii)

6

1
2

days
(iv)

6

1
4

days
(v)

6

3
4

days

Question 22

22.

In how many days can
5
men and
4
women complete the same work?

(i)

11

9
11

days
(ii)

11

27
31

days
(iii)

11

27
29

days
(iv)

11

29
31

days
(v)

11

25
31

days

Question 23

23.

A can do
4
8
of a work in
3

days
.

He works for
2

days
when B joins him.

They work together and complete the work in
2

4
5

days
.

In how much time, B alone can do the work?

(i)

14

days
(ii)

17

days
(iii)

11

days
(iv)

13

days
(v)

15

days

Question 24

24.

A and B together can do a piece of work in
4

5
18

hr
.

They work together for
2

hr
and then A leaves.

B completes the remaining work in
3

8
11

hr
.

In how much time can each of them do the work seperately?

(i)

(

11

hr

,

8

hr

)
(ii)

(

11

hr

,

6

hr

)
(iii)

(

11

hr

,

7

hr

)
(iv)

(

10

hr

,

7

hr

)
(v)

(

12

hr

,

7

hr

)

Question 25

25.

A and B can do a work in
18

days
and
26

days
respectively.

If they work on alternate days and A begins the work,

in how many days can it be completed?

(i)

24

days
(ii)

22

days
(iii)

23

days
(iv)

21

days
(v)

19

days

Assignment Key