ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VIII - Time and Work
Question 1
1.
    • 13
    • men can do a work in
    • 16
    • days working
    • 5
    • hours a day.
    • In how many days can
    • 12
    • men do the same work, working
    • 6
    • hours a day?
  • 14
    2
    3
    days
  • 14
    4
    7
    days
  • 14
    2
    9
    days
  • 14
    4
    9
    days
  • 14
    4
    11
    days
Question 2
2.
    • 1
    • men and
    • 2
    • women can do a piece of work in
    • 18
    • days.
    • 1
    • men and
    • 1
    • women can do the same work in
    • 20
    • days.
    • In how many days can
    • 2
    • men and
    • 3
    • women complete the same work?
  • 9
    3
    7
    days
  • 9
    9
    19
    days
  • 9
    11
    19
    days
  • 9
    9
    17
    days
  • 9
    7
    19
    days
Question 3
3.
    • A can do a work in
    • 6
      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?
  • 3
    days
  • 4
    days
  • -1
    days
  • 1
    day
  • 2
    days
Question 4
4.
    • A can do a work in
    • 6
      days
    • and B can do the same work in
    • 3
      days
    • .
    • If they work together, in how much time is the work completed?
  • 0
    days
  • 1
    day
  • 2
    days
  • 3
    days
  • 4
    days
Question 5
5.
    • Two pipes can fill a tank in
    • 5
      min
    • and
    • 13
      min
    • respectively.
    • Both pipes are
    • opened together and after some time the first pipe is closed and the tank
    • becomes full in
    • 10
      2
      5
      min
    • from the time when both pipes are opened.
    • For how much time was first pipe open?
  • 1
    min
  • -2
    min
  • 0
    min
  • 2
    min
  • 4
    min
Question 6
6.
    • A can construct
    • 3
      7
    • of a wall in
    • 3
      hr
    • .
    • B can construct
    • 4
      10
    • of the wall in
    • 3
      1
      5
      hr
    • .
    • C can construct
    • 4
      5
    • of the wall in
    • 4
      4
      5
      hr
    • .
    • If all three work together, in how much time will they
    • construct
    • 2
      6
    • of the wall?
  • 56
    75
    hr
  • 56
    71
    hr
  • 56
    73
    hr
  • 58
    73
    hr
  • 54
    73
    hr
Question 7
7.
    • A sum of
    • ₹636.00
    • will be given to do a work.
    • A and B can do it in
    • 3
      3
      13
      days
    • .
    • B and C can do in
    • 3
      15
      16
      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?
  • (
    ₹252
    ,
    ₹168
    ,
    ₹216
    )
  • (
    ₹216
    ,
    ₹168
    ,
    ₹252
    )
  • (
    ₹168
    ,
    ₹216
    ,
    ₹252
    )
  • (
    ₹252
    ,
    ₹216
    ,
    ₹168
    )
  • (
    ₹168
    ,
    ₹252
    ,
    ₹216
    )
Question 8
8.
    • Due to a leak at the bottom, pipe Y takes
    • 5
      1
      3
      hr
    • to fill the tank.
    • The leak alone can empty the full tank in
    • 16
      hr
    • .
    • In what time can pipe Y alone fill the tank when the leak is closed?
  • 4
    hr
  • 1
    hr
  • 6
    hr
  • 5
    hr
  • 3
    hr
Question 9
9.
    • A and B can do a piece of work in
    • 18
      days
    • and
    • 19
      days
    • respectively.
    • They work together for
    • 8
      days
    • and then B leaves.
    • In how many days the whole work is completed?
  • 10
    10
    19
    days
  • 10
    6
    19
    days
  • 10
    8
    21
    days
  • 10
    8
    17
    days
  • 10
    8
    19
    days
Question 10
10.
    • A and B can do a work in
    • 4
      days
    • and
    • 8
      days
    • respectively.
    • They together undertook to do a piece of work for
    • ₹8400.00
    • .
    • What is the share of B?
  • ₹2799.00
  • ₹2800.00
  • ₹5598.00
  • ₹2801.00
  • ₹5600.00