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
8
days
and
3
days
respectively.
They together undertook to do a piece of work for
₹8800.00
.
What is the share of B?
(i)
₹2398.00
(ii)
₹2400.00
(iii)
₹6400.00
(iv)
₹6401.00
(v)
₹6399.00
Question
2
2.
A can do a piece of work in
8
days
,
B can do the work in
13
days
and C in
5
days
respectively.
In how much time can they do it together?
(i)
2
104
209
days
(ii)
2
100
209
days
(iii)
2
34
69
days
(iv)
2
102
209
days
(v)
2
102
211
days
Question
3
3.
3
men take
6
days
to complete a work.
How much work is done by one man in one day?
(i)
1
18
(ii)
(
-1
18
)
(iii)
1
3
(iv)
1
6
Question
4
4.
9
skilled men can do a work in
2
days
.
7
unskilled men can do the same work in
3
days
.
In how many days can
2
skilled and
7
unskilled men do the same work?
(i)
2
1
2
days
(ii)
2
1
4
days
(iii)
2
3
4
days
(iv)
2
1
6
days
(v)
1
3
4
days
Question
5
5.
A and B together can do a piece of work in
3
7
16
hr
.
They work together for
1
hr
and then A leaves.
B completes the remaining work in
7
4
5
hr
.
In how much time can each of them do the work seperately?
(i)
(
6
hr
,
11
hr
)
(ii)
(
5
hr
,
11
hr
)
(iii)
(
5
hr
,
12
hr
)
(iv)
(
4
hr
,
11
hr
)
(v)
(
5
hr
,
10
hr
)
Question
6
6.
A can do a work in
3
days
.
With the help of B, A can do the same work in
1
1
2
days
.
In how many days can B alone do the work?
(i)
3
days
(ii)
2
days
(iii)
4
days
(iv)
1
day
(v)
5
days
Question
7
7.
Two pipes can fill a tank in
10
min
and
25
min
respectively.
Both pipes are
opened together and after some time the first pipe is closed and the tank
becomes full in
10
min
from the time when both pipes are opened.
For how much time was first pipe open?
(i)
3
min
(ii)
9
min
(iii)
7
min
(iv)
5
min
(v)
6
min
Question
8
8.
A certain number of men can do a work in
36
days
.
If there were
10
men
more
,
it would take
18
days
less
to complete the work.
How many men are required to complete the work in
8
days
?
(i)
44
(ii)
47
(iii)
42
(iv)
45
(v)
46
Question
9
9.
A can do
9
14
of a work in
4
1
2
days
.
He works for
2
days
when B joins him.
They work together and complete the work in
3
1
18
days
.
In how much time, B alone can do the work?
(i)
8
days
(ii)
14
days
(iii)
11
days
(iv)
12
days
(v)
10
days
Question
10
10.
A sum of
₹636.00
will be given to do a work.
A and B can do it in
3
15
16
days
.
B and C can do in
3
3
13
days
.
C and A can do in
3
3
5
days
.
How much A, B and C respectively will get if all three work together?
(i)
(
₹168
,
₹252
,
₹216
)
(ii)
(
₹216
,
₹252
,
₹168
)
(iii)
(
₹252
,
₹216
,
₹168
)
(iv)
(
₹252
,
₹168
,
₹216
)
(v)
(
₹168
,
₹216
,
₹252
)
Question
11
11.
3
men and
2
women can do a piece of work in
9
days.
4
men and
9
women can do the same work in
6
days.
In how many days can
3
men and
5
women complete the same work?
(i)
8
12
41
days
(ii)
8
14
43
days
(iii)
8
14
41
days
(iv)
8
14
39
days
(v)
8
16
41
days
Question
12
12.
A can do a work in
5
days
and B can do the same work in
9
days
.
If they work together, in how much time is the work completed?
(i)
3
1
14
days
(ii)
3
3
16
days
(iii)
3
3
14
days
(iv)
3
5
14
days
(v)
3
1
4
days
Question
13
13.
Pipe A can fill a tank in
9
hr
and pipe B can empty the full tank in
81
hr
.
If both the pipes are opened together,
in how much time will the tank become full?
(i)
10
1
8
hr
(ii)
10
1
10
hr
(iii)
10
1
6
hr
(iv)
10
3
8
hr
(v)
9
7
8
hr
Question
14
14.
A sum of
₹3263.00
will be given to do a work.
A and B can do it in
3
11
15
hr
.
B and C can do in
4
11
20
hr
.
C and A can do in
4
20
21
hr
.
How much A, B and C respectively will get if all three work together?
(i)
(
₹728
,
₹1352
,
₹1183
)
(ii)
(
₹728
,
₹1183
,
₹1352
)
(iii)
(
₹1183
,
₹1352
,
₹728
)
(iv)
(
₹1183
,
₹728
,
₹1352
)
(v)
(
₹1352
,
₹728
,
₹1183
)
Question
15
15.
A and B together can do a piece of work in
4
2
19
days
.
They work together for
2
days
and then A leaves.
B completes the remaining work in
3
1
13
days
.
In how much time can each of them do the work seperately?
(i)
(
13
days
,
5
days
)
(ii)
(
13
days
,
7
days
)
(iii)
(
14
days
,
6
days
)
(iv)
(
12
days
,
6
days
)
(v)
(
13
days
,
6
days
)
Question
16
16.
Person P is
nine times
as good a workman as Person Q.
They can do a work together in
5
2
5
days
.
In how many days Q alone can do the work?
(i)
52
days
(ii)
55
days
(iii)
53
days
(iv)
54
days
(v)
56
days
Question
17
17.
A and B can do a work in
4
1
5
hr
,
B and C can do it in
7
hr
and C and A can do it in
4
1
5
hr
.
In how much time can
each of them do it seperately?
(i)
(
6
hr
,
14
hr
,
14
hr
)
(ii)
(
6
hr
,
15
hr
,
14
hr
)
(iii)
(
7
hr
,
14
hr
,
14
hr
)
(iv)
(
6
hr
,
14
hr
,
15
hr
)
(v)
(
7
hr
,
15
hr
,
14
hr
)
Question
18
18.
A, B and C together can do a work in
1
1
19
days
.
If A and C can do the work in
4
days
and
5
days
respectively,
in how many days can B alone do the work?
(i)
2
days
(ii)
-1
days
(iii)
4
days
(iv)
3
days
(v)
1
day
Question
19
19.
A and B can do a piece of work in
11
days
and
19
days
respectively.
They work together for
1
day
and then B leaves.
In how many days the whole work is completed?
(i)
10
8
17
days
(ii)
10
8
21
days
(iii)
10
10
19
days
(iv)
10
6
19
days
(v)
10
8
19
days
Question
20
20.
A can do
3
7
of a work in
6
3
7
hr
.
He works for
7
hr
when B joins him.
They work together and complete the work in
3
25
29
hr
.
In how much time, B alone can do the work?
(i)
16
hr
(ii)
11
hr
(iii)
15
hr
(iv)
13
hr
(v)
14
hr
Question
21
21.
A, B and C can together do a piece of work in
2
6
11
hr
.
B and C can do it in
3
11
15
hr
.
C alone can do it in
7
hr
.
In how much time A and C can do the work together?
(i)
3
11
17
hr
(ii)
3
13
15
hr
(iii)
3
11
13
hr
(iv)
3
11
15
hr
(v)
3
3
5
hr
Question
22
22.
A, B, C, D, and E can do a piece of work in
10
hr
,
14
hr
,
9
hr
,
6
hr
and
12
hr
respectively.
Who has the greatest capacity to do work?
(i)
B
(ii)
A
(iii)
E
(iv)
D
(v)
C
Question
23
23.
A, B and C can together do a piece of work in
2
18
131
days
.
B and C can do it in
3
11
15
days
.
C alone can do it in
7
days
.
In how much time A and C can do the work together?
(i)
3
1
12
days
(ii)
2
3
4
days
(iii)
2
11
12
days
(iv)
3
1
10
days
(v)
2
11
14
days
Question
24
24.
A can do a piece of work in
15
hr
and B in
15
hr
.
A does the work for
7
hr
before B join A to work together.
Again after
2
hr
C joins both A and B to complete the work in
4
5
hr
.
In how much time C alone can do the work?
(i)
8
hr
(ii)
6
hr
(iii)
2
hr
(iv)
4
hr
(v)
5
hr
Question
25
25.
A, B, C, D, and E can do a piece of work in
5
days
,
8
days
,
14
days
,
12
days
and
7
days
respectively.
Who has the greatest capacity to do work?
(i)
A
(ii)
D
(iii)
E
(iv)
C
(v)
B
Assignment Key
1) (iii)
2) (iv)
3) (i)
4) (ii)
5) (ii)
6) (i)
7) (v)
8) (iv)
9) (iii)
10) (v)
11) (iii)
12) (iii)
13) (i)
14) (iii)
15) (v)
16) (iv)
17) (i)
18) (i)
19) (v)
20) (v)
21) (iv)
22) (iv)
23) (iii)
24) (v)
25) (i)
