ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VIII - Time and Work
Question 1
1.
    • A can do
    • 12
      13
    • of a work in
    • 7
      5
      13
      hr
    • .
    • He works for
    • 3
      hr
    • when B joins him.
    • They work together and complete the work in
    • 2
      11
      17
      hr
    • .
    • In how much time, B alone can do the work?
  • 11
    hr
  • 9
    hr
  • 6
    hr
  • 10
    hr
  • 8
    hr
Question 2
2.
    • Pipe A can fill a tank in
    • 2
      hr
    • and pipe B can empty the full tank in
    • 10
      hr
    • .
    • If both the pipes are opened together,
    • in how much time will the tank become full?
  • 3
    1
    2
    hr
  • 2
    1
    4
    hr
  • 2
    1
    2
    hr
  • 3
    hr
  • 1
    1
    2
    hr
Question 3
3.
    • A, B and C can together do a piece of work in
    • 2
      4
      43
      days
    • .
    • B and C can do it in
    • 2
      8
      11
      days
    • .
    • C alone can do it in
    • 5
      days
    • .
    • In how much time A and C can do the work together?
  • 3
    5
    14
    days
  • 3
    3
    14
    days
  • 3
    1
    4
    days
  • 3
    3
    16
    days
  • 3
    1
    14
    days
Question 4
4.
    • A can do a work in
    • 5
      days
    • .
    • With the help of B, A can do the same work in
    • 2
      8
      11
      days
    • .
    • In how many days can B alone do the work?
  • 6
    days
  • 5
    days
  • 9
    days
  • 3
    days
  • 7
    days
Question 5
5.
    • A and B together can do a piece of work in
    • 3
      3
      5
      hr
    • .
    • They work together for
    • 1
      hr
    • and then A leaves.
    • B completes the remaining work in
    • 6
      1
      2
      hr
    • .
    • In how much time can each of them do the work seperately?
  • (
    5
    hr
    ,
    9
    hr
    )
  • (
    6
    hr
    ,
    9
    hr
    )
  • (
    7
    hr
    ,
    9
    hr
    )
  • (
    6
    hr
    ,
    8
    hr
    )
  • (
    6
    hr
    ,
    10
    hr
    )
Question 6
6.
    • A can do
    • 8
      9
    • of a work in
    • 10
      2
      3
      days
    • .
    • He works for
    • 3
      days
    • when B joins him.
    • They work together and complete the work in
    • 4
      7
      23
      days
    • .
    • In how much time, B alone can do the work?
  • 10
    days
  • 11
    days
  • 12
    days
  • 8
    days
  • 14
    days
Question 7
7.
    • 1
    • men and
    • 2
    • women can do a piece of work in
    • 40
    • days.
    • 2
    • men and
    • 1
    • women can do the same work in
    • 32
    • days.
    • In how many days can
    • 5
    • men and
    • 3
    • women complete the same work?
  • 12
    4
    15
    days
  • 12
    2
    13
    days
  • 12
    6
    13
    days
  • 12
    4
    13
    days
  • 12
    4
    11
    days
Question 8
8.
    • A and B together can do a piece of work in
    • 3
      3
      13
      days
    • .
    • They work together for
    • 1
      day
    • and then A leaves.
    • B completes the remaining work in
    • 4
      5
      6
      days
    • .
    • In how much time can each of them do the work seperately?
  • (
    7
    days
    ,
    7
    days
    )
  • (
    6
    days
    ,
    6
    days
    )
  • (
    6
    days
    ,
    7
    days
    )
  • (
    6
    days
    ,
    8
    days
    )
  • (
    5
    days
    ,
    7
    days
    )
Question 9
9.
    • A sum of
    • ₹2301.00
    • will be given to do a work.
    • A and B can do it in
    • 6
      4
      25
      hr
    • .
    • B and C can do in
    • 5
      1
      11
      hr
    • .
    • C and A can do in
    • 4
      12
      19
      hr
    • .
    • How much A, B and C respectively will get if all three work together?
  • (
    ₹1001
    ,
    ₹572
    ,
    ₹728
    )
  • (
    ₹728
    ,
    ₹572
    ,
    ₹1001
    )
  • (
    ₹1001
    ,
    ₹728
    ,
    ₹572
    )
  • (
    ₹572
    ,
    ₹1001
    ,
    ₹728
    )
  • (
    ₹728
    ,
    ₹1001
    ,
    ₹572
    )
Question 10
10.
    • A can do a piece of work in
    • 14
      hr
    • ,
    • B can do the work in
    • 8
      hr
    • and C in
    • 10
      hr
    • respectively.
    • In how much time can they do it together?
  • 3
    31
    83
    hr
  • 3
    31
    81
    hr
  • 3
    31
    85
    hr
  • 3
    29
    83
    hr
  • 3
    33
    83
    hr