ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VII - Time and Work
Question 1
1.
    • A can do a piece of work in
    • 5
      days
    • ,
    • B can do the work in
    • 5
      days
    • and C in
    • 7
      days
    • respectively.
    • In how much time can they do it together?
  • 1
    16
    21
    days
  • 1
    14
    19
    days
  • 1
    18
    19
    days
  • 1
    16
    19
    days
  • 1
    16
    17
    days
Question 2
2.
    • P and Q can do together a piece of work in
    • 3
      1
      13
      days
    • .
    • After they have worked together for
    • 2
      days
    • ,
    • P stops.
    • Q completes the remaining work in
    • 1
      3
      4
      days
    • .
    • In how many days can Q alone do the work?
  • 4
    days
  • 6
    days
  • 3
    days
  • 5
    days
  • 7
    days
Question 3
3.
    • A and B can do a work in
    • 6
      9
      26
      days
    • ,
    • B and C can do it in
    • 3
      7
      16
      days
    • and C and A can do it in
    • 3
      3
      4
      days
    • .
    • In how much time can
    • each of them do it seperately?
  • (
    16
    days
    ,
    12
    days
    ,
    5
    days
    )
  • (
    16
    days
    ,
    11
    days
    ,
    5
    days
    )
  • (
    15
    days
    ,
    11
    days
    ,
    6
    days
    )
  • (
    15
    days
    ,
    11
    days
    ,
    5
    days
    )
  • (
    15
    days
    ,
    12
    days
    ,
    5
    days
    )
Question 4
4.
    • A and B can do a work in
    • 5
      15
      23
      hr
    • ,
    • B and C can do it in
    • 6
      27
      28
      hr
    • and C and A can do it in
    • 6
      hr
    • .
    • In how much time can
    • each of them do it seperately?
  • (
    11
    hr
    ,
    14
    hr
    ,
    15
    hr
    )
  • (
    11
    hr
    ,
    13
    hr
    ,
    15
    hr
    )
  • (
    10
    hr
    ,
    13
    hr
    ,
    15
    hr
    )
  • (
    10
    hr
    ,
    13
    hr
    ,
    16
    hr
    )
  • (
    10
    hr
    ,
    14
    hr
    ,
    15
    hr
    )
Question 5
5.
    • A and B together can do a piece of work in
    • 4
      17
      22
      hr
    • .
    • They work together for
    • 1
      hr
    • and then A leaves.
    • B completes the remaining work in
    • 11
      6
      7
      hr
    • .
    • In how much time can each of them do the work seperately?
  • (
    6
    hr
    ,
    15
    hr
    )
  • (
    7
    hr
    ,
    14
    hr
    )
  • (
    7
    hr
    ,
    16
    hr
    )
  • (
    8
    hr
    ,
    15
    hr
    )
  • (
    7
    hr
    ,
    15
    hr
    )
Question 6
6.
    • Pipe A can fill a tank in
    • 4
      hr
    • and pipe B can empty the full tank in
    • 32
      hr
    • .
    • If both the pipes are opened together,
    • in how much time will the tank become full?
  • 4
    4
    5
    hr
  • 4
    4
    9
    hr
  • 4
    6
    7
    hr
  • 4
    4
    7
    hr
  • 4
    2
    7
    hr
Question 7
7.
    • A, B, C, D, and E can do a piece of work in
    • 12
      hr
    • ,
    • 8
      hr
    • ,
    • 11
      hr
    • ,
    • 5
      hr
    • and
    • 6
      hr
    • respectively.
    • Who has the greatest capacity to do work?
  • E
  • D
  • C
  • B
  • A
Question 8
8.
    • A sum of
    • ₹762.00
    • will be given to do a work.
    • A and B can do it in
    • 5
      1
      7
      days
    • .
    • B and C can do in
    • 5
      7
      22
      days
    • .
    • C and A can do in
    • 6
      6
      25
      days
    • .
    • How much A, B and C respectively will get if all three work together?
  • (
    ₹234
    ,
    ₹312
    ,
    ₹216
    )
  • (
    ₹216
    ,
    ₹312
    ,
    ₹234
    )
  • (
    ₹312
    ,
    ₹216
    ,
    ₹234
    )
  • (
    ₹216
    ,
    ₹234
    ,
    ₹312
    )
  • (
    ₹234
    ,
    ₹216
    ,
    ₹312
    )
Question 9
9.
    • 2
    • men take
    • 2
      days
    • to complete a work.
    • How much work is done by one man in one day?
  • 1
    2
  • (
    -1
    4
    		 )
  • 3
    4
  • 1
    4
Question 10
10.
    • A can do
    • 7
      9
    • of a work in
    • 8
      5
      9
      hr
    • .
    • He works for
    • 5
      hr
    • when B joins him.
    • They work together and complete the work in
    • 3
      hr
    • .
    • In how much time, B alone can do the work?
  • 14
    hr
  • 11
    hr
  • 12
    hr
  • 8
    hr
  • 10
    hr