ICSE Board Practice

ICSE Grade VII - Time and Work
Question 1
1.
    • A can do a piece of work in
    • 9
      days
    • ,
    • B can do the work in
    • 6
      days
    • and C in
    • 9
      days
    • respectively.
    • In how much time can they do it together?
  • 2
    6

    7
    days
  • 2
    4

    7
    days
  • 2
    2

    7
    days
  • 2
    4

    5
    days
  • 2
    4

    9
    days
Question 2
2.
    • A and B together can do a piece of work in
    • 5
      1

      2
      days
    • .
    • They work together for
    • 2
      days
    • and then A leaves.
    • B completes the remaining work in
    • 7
      days
    • .
    • In how much time can each of them do the work seperately?
  • (
    12
    days
    ,
    11
    days
    )
  • (
    11
    days
    ,
    10
    days
    )
  • (
    11
    days
    ,
    11
    days
    )
  • (
    10
    days
    ,
    11
    days
    )
  • (
    11
    days
    ,
    12
    days
    )
Question 3
3.
    • A sum of
    • ₹2022.00
    • will be given to do a work.
    • A and B can do it in
    • 5
      7

      22
      days
    • .
    • B and C can do in
    • 4
      14

      19
      days
    • .
    • C and A can do in
    • 5
      15

      23
      days
    • .
    • How much A, B and C respectively will get if all three work together?
  • (
    ₹780
    ,
    ₹702
    ,
    ₹540
    )
  • (
    ₹702
    ,
    ₹780
    ,
    ₹540
    )
  • (
    ₹540
    ,
    ₹702
    ,
    ₹780
    )
  • (
    ₹702
    ,
    ₹540
    ,
    ₹780
    )
  • (
    ₹540
    ,
    ₹780
    ,
    ₹702
    )
Question 4
4.
    • A, B and C together can do a work in
    • 1
      day
    • .
    • If A and C can do the work in
    • 4
      days
    • and
    • 4
      days
    • respectively,
    • in how many days can B alone do the work?
  • 4
    days
  • 3
    days
  • 2
    days
  • 0
    days
  • 1
    day
Question 5
5.
    • A and B can do a work in
    • 5
      days
    • and
    • 7
      days
    • respectively.
    • They together undertook to do a piece of work for
    • ₹8400.00
    • .
    • What is the share of B?
  • ₹4900.00
  • ₹3499.00
  • ₹3501.00
  • ₹3500.00
  • ₹4898.00
Question 6
6.
    • 18
    • men can do a work in
    • 15
    • days working
    • 5
    • hours a day.
    • In how many days can
    • 17
    • men do the same work, working
    • 10
    • hours a day?
  • 8
    1

    17
    days
  • 7
    16

    17
    days
  • 7
    16

    19
    days
  • 8
    1

    15
    days
  • 7
    14

    17
    days
Question 7
7.
    • 7
    • skilled men can do a work in
    • 6
      days
    • .
    • 7
    • unskilled men can do the same work in
    • 7
      days
    • .
    • In how many days can
    • 6
    • skilled and
    • 6
    • unskilled men do the same work?
  • 3
    8

    13
    days
  • 3
    2

    3
    days
  • 3
    12

    13
    days
  • 3
    10

    13
    days
  • 3
    10

    11
    days
Question 8
8.
    • Two pipes can fill a tank in
    • 13
      min
    • and
    • 20
      min
    • respectively.
    • Both pipes are
    • opened together and after some time the first pipe is closed and the tank
    • becomes full in
    • 16
      12

      13
      min
    • from the time when both pipes are opened.
    • For how much time was first pipe open?
  • 2
    min
  • 1
    min
  • 5
    min
  • -1
    min
  • 3
    min
Question 9
9.
    • A and B can do a work in
    • 8
      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
    2

    5
    days
  • 5
    1

    5
    days
  • 4
    4

    5
    days
  • 4
    4

    7
    days
  • 5
    1

    3
    days
Question 10
10.
    • P and Q can do together a piece of work in
    • 3
      15

      16
      days
    • .
    • After they have worked together for
    • 2
      days
    • ,
    • P stops.
    • Q completes the remaining work in
    • 4
      3

      7
      days
    • .
    • In how many days can Q alone do the work?
  • 7
    days
  • 10
    days
  • 8
    days
  • 9
    days
  • 11
    days