ICSE Board Practice

ICSE Grade VII - Time and Work
Question 1
1.
    • A can do a work in
    • 2
      days
    • .
    • With the help of B, A can do the same work in
    • 1
      1

      5
      days
    • .
    • In how many days can B alone do the work?
  • 0
    days
  • 5
    days
  • 4
    days
  • 3
    days
  • 2
    days
Question 2
2.
    • 3
    • skilled men can do a work in
    • 3
      days
    • .
    • 5
    • unskilled men can do the same work in
    • 6
      days
    • .
    • In how many days can
    • 8
    • skilled and
    • 2
    • unskilled men do the same work?
  • 1
    2

    45
    days
  • 1
    2

    43
    days
  • 1
    4

    43
    days
  • 1
    day
  • 1
    2

    41
    days
Question 3
3.
    • 14
    • men can do a work in
    • 19
    • days working
    • 5
    • hours a day.
    • In how many days can
    • 20
    • men do the same work, working
    • 8
    • hours a day?
  • 8
    5

    18
    days
  • 8
    5

    16
    days
  • 8
    3

    16
    days
  • 8
    5

    14
    days
  • 8
    7

    16
    days
Question 4
4.
    • A and B can do a work in
    • 4
      19

      20
      days
    • ,
    • B and C can do it in
    • 4
      14

      19
      days
    • and C and A can do it in
    • 5
      5

      21
      days
    • .
    • In how much time can
    • each of them do it seperately?
  • (
    12
    days
    ,
    10
    days
    ,
    10
    days
    )
  • (
    11
    days
    ,
    9
    days
    ,
    10
    days
    )
  • (
    11
    days
    ,
    9
    days
    ,
    11
    days
    )
  • (
    12
    days
    ,
    9
    days
    ,
    10
    days
    )
  • (
    11
    days
    ,
    10
    days
    ,
    10
    days
    )
Question 5
5.
    • A, B, C, D, and E can do a piece of work in
    • 13
      days
    • ,
    • 12
      days
    • ,
    • 5
      days
    • ,
    • 11
      days
    • and
    • 8
      days
    • respectively.
    • Who has the greatest capacity to do work?
  • B
  • C
  • A
  • E
  • D
Question 6
6.
    • A and B can do a piece of work in
    • 15
      days
    • and
    • 11
      days
    • respectively.
    • They work together for
    • 2
      days
    • and then B leaves.
    • In how many days the whole work is completed?
  • 12
    3

    13
    days
  • 12
    1

    11
    days
  • 12
    3

    11
    days
  • 12
    1

    3
    days
  • 12
    5

    11
    days
Question 7
7.
    • 2
    • men take
    • 8
      days
    • to complete a work.
    • How much work is done by one man in one day?
  • 3

    16
  • 1

    8
  • 1

    16
  • (
    -1

    16
    )
  • 1

    2
Question 8
8.
    • A certain number of men can do a work in
    • 36
      days
    • .
    • If there were
    • 12
    • men
    • more
    • ,
    • it would take
    • 18
      days
    • less
    • to complete the work.
    • How many men are required to complete the work in
    • 8
      days
    • ?
  • 55
  • 52
  • 54
  • 53
  • 57
Question 9
9.
    • A and B can do a work in
    • 9
      days
    • and
    • 2
      days
    • respectively.
    • They together undertook to do a piece of work for
    • ₹2200.00
    • .
    • What is the share of B?
  • ₹1799.00
  • ₹400.00
  • ₹1801.00
  • ₹398.00
  • ₹1800.00
Question 10
10.
    • Pipe A can fill a tank in
    • 9
      hr
    • and pipe B can empty the full tank in
    • 63
      hr
    • .
    • If both the pipes are opened together,
    • in how much time will the tank become full?
  • 11
    hr
  • 9
    1

    2
    hr
  • 11
    1

    2
    hr
  • 10
    1

    4
    hr
  • 10
    1

    2
    hr