ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VIII - Time and Work
Question 1
1.
    • A and B can do a work in
    • 3
      15
      16
      days
    • ,
    • B and C can do it in
    • 5
      1
      7
      days
    • and C and A can do it in
    • 4
      8
      19
      days
    • .
    • In how much time can
    • each of them do it seperately?
  • (
    8
    days
    ,
    9
    days
    ,
    12
    days
    )
  • (
    7
    days
    ,
    9
    days
    ,
    12
    days
    )
  • (
    7
    days
    ,
    9
    days
    ,
    13
    days
    )
  • (
    7
    days
    ,
    10
    days
    ,
    12
    days
    )
  • (
    8
    days
    ,
    10
    days
    ,
    12
    days
    )
Question 2
2.
    • A can do a work in
    • 5
      days
    • .
    • With the help of B, A can do the same work in
    • 3
      1
      13
      days
    • .
    • In how many days can B alone do the work?
  • 10
    days
  • 7
    days
  • 8
    days
  • 6
    days
  • 9
    days
Question 3
3.
    • A, B and C can together do a piece of work in
    • 2
      10
      23
      days
    • .
    • B and C can do it in
    • 3
      1
      2
      days
    • .
    • C alone can do it in
    • 7
      days
    • .
    • In how much time A and C can do the work together?
  • 3
    11
    15
    days
  • 3
    13
    15
    days
  • 3
    11
    13
    days
  • 3
    11
    17
    days
  • 3
    3
    5
    days
Question 4
4.
    • Pipe A can fill a tank in
    • 6
      hr
    • and pipe B can empty the full tank in
    • 24
      hr
    • .
    • If both the pipes are opened together,
    • in how much time will the tank become full?
  • 8
    hr
  • 9
    hr
  • 10
    hr
  • 7
    hr
  • 5
    hr
Question 5
5.
    • A and B can do a work in
    • 19
      days
    • and
    • 13
      days
    • respectively.
    • If they work on alternate days and A begins the work,
    • in how many days can it be completed?
  • 19
    days
  • 17
    days
  • 16
    days
  • 14
    days
  • 15
    days
Question 6
6.
    • A sum of
    • ₹1074.00
    • will be given to do a work.
    • A and B can do it in
    • 2
      11
      12
      days
    • .
    • B and C can do in
    • 3
      9
      17
      days
    • .
    • C and A can do in
    • 4
      8
      19
      days
    • .
    • How much A, B and C respectively will get if all three work together?
  • (
    ₹504
    ,
    ₹210
    ,
    ₹360
    )
  • (
    ₹360
    ,
    ₹504
    ,
    ₹210
    )
  • (
    ₹360
    ,
    ₹210
    ,
    ₹504
    )
  • (
    ₹210
    ,
    ₹504
    ,
    ₹360
    )
  • (
    ₹210
    ,
    ₹360
    ,
    ₹504
    )
Question 7
7.
    • A, B and C together can do a work in
    • 30
      31
      days
    • .
    • If A and C can do the work in
    • 3
      days
    • and
    • 5
      days
    • respectively,
    • in how many days can B alone do the work?
  • 4
    days
  • 1
    day
  • 2
    days
  • 0
    days
  • 3
    days
Question 8
8.
    • A and B can do a work in
    • 7
      days
    • , B and C can do in
    • 8
      days
    • and C and A can do in
    • 6
      days
    • .
    • If all three work together,
    • in how many days will the work be completed?
  • 4
    42
    73
    days
  • 4
    44
    71
    days
  • 4
    44
    75
    days
  • 4
    46
    73
    days
  • 4
    44
    73
    days
Question 9
9.
    • A and B can do a work in
    • 5
      1
      7
      hr
    • ,
    • B and C can do it in
    • 3
      3
      5
      hr
    • and C and A can do it in
    • 4
      hr
    • .
    • In how much time can
    • each of them do it seperately?
  • (
    13
    hr
    ,
    10
    hr
    ,
    6
    hr
    )
  • (
    12
    hr
    ,
    10
    hr
    ,
    6
    hr
    )
  • (
    12
    hr
    ,
    9
    hr
    ,
    7
    hr
    )
  • (
    13
    hr
    ,
    9
    hr
    ,
    6
    hr
    )
  • (
    12
    hr
    ,
    9
    hr
    ,
    6
    hr
    )
Question 10
10.
    • A can do a piece of work in
    • 12
      hr
    • ,
    • B can do the work in
    • 12
      hr
    • and C in
    • 9
      hr
    • respectively.
    • In how much time can they do it together?
  • 4
    hr
  • 3
    1
    5
    hr
  • 3
    3
    5
    hr
  • 3
    3
    7
    hr