ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VII - Time and Work
Question 1
1.
    • A sum of
    • ₹955.00
    • will be given to do a work.
    • A and B can do it in
    • 3
      11
      18
      days
    • .
    • B and C can do in
    • 2
      11
      12
      days
    • .
    • C and A can do in
    • 4
      11
      20
      days
    • .
    • How much A, B and C respectively will get if all three work together?
  • (
    ₹325
    ,
    ₹175
    ,
    ₹455
    )
  • (
    ₹455
    ,
    ₹325
    ,
    ₹175
    )
  • (
    ₹175
    ,
    ₹325
    ,
    ₹455
    )
  • (
    ₹175
    ,
    ₹455
    ,
    ₹325
    )
  • (
    ₹325
    ,
    ₹455
    ,
    ₹175
    )
Question 2
2.
    • A can do
    • 7
      10
    • of a work in
    • 7
      7
      10
      hr
    • .
    • He works for
    • 5
      hr
    • when B joins him.
    • They work together and complete the work in
    • 2
      6
      7
      hr
    • .
    • In how much time, B alone can do the work?
  • 10
    hr
  • 9
    hr
  • 7
    hr
  • 12
    hr
  • 11
    hr
Question 3
3.
    • A and B can do a work in
    • 5
      days
    • , B and C can do in
    • 8
      days
    • and C and A can do in
    • 9
      days
    • .
    • If all three work together,
    • in how many days will the work be completed?
  • 4
    94
    157
    days
  • 4
    90
    157
    days
  • 4
    92
    159
    days
  • 4
    92
    155
    days
  • 4
    92
    157
    days
Question 4
4.
    • 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?
  • 11
    days
  • 6
    days
  • 10
    days
  • 9
    days
  • 8
    days
Question 5
5.
    • A and B can do a piece of work in
    • 15
      days
    • and
    • 15
      days
    • respectively.
    • They work together for
    • 5
      days
    • and then B leaves.
    • In how many days the whole work is completed?
  • 13
    days
  • 8
    days
  • 11
    days
  • 10
    days
  • 9
    days
Question 6
6.
    • 4
    • skilled men can do a work in
    • 7
      days
    • .
    • 9
    • unskilled men can do the same work in
    • 7
      days
    • .
    • In how many days can
    • 9
    • skilled and
    • 2
    • unskilled men do the same work?
  • 2
    74
    89
    days
  • 2
    72
    89
    days
  • 2
    76
    89
    days
  • 2
    74
    91
    days
  • 2
    74
    87
    days
Question 7
7.
    • A, B, C, D, and E can do a piece of work in
    • 9
      hr
    • ,
    • 12
      hr
    • ,
    • 6
      hr
    • ,
    • 15
      hr
    • and
    • 14
      hr
    • respectively.
    • Who has the greatest capacity to do work?
  • E
  • D
  • C
  • A
  • B
Question 8
8.
    • A and B together can do a piece of work in
    • 4
      5
      18
      hr
    • .
    • They work together for
    • 2
      hr
    • and then A leaves.
    • B completes the remaining work in
    • 3
      8
      11
      hr
    • .
    • In how much time can each of them do the work seperately?
  • (
    11
    hr
    ,
    6
    hr
    )
  • (
    10
    hr
    ,
    7
    hr
    )
  • (
    11
    hr
    ,
    7
    hr
    )
  • (
    11
    hr
    ,
    8
    hr
    )
  • (
    12
    hr
    ,
    7
    hr
    )
Question 9
9.
    • A, B and C together can do a work in
    • 6
      7
      days
    • .
    • If A and C can do the work in
    • 3
      days
    • and
    • 2
      days
    • respectively,
    • in how many days can B alone do the work?
  • 5
    days
  • 1
    day
  • 3
    days
  • 2
    days
  • 4
    days
Question 10
10.
    • Pipe A can fill a tank in
    • 4
      hr
    • and pipe B can empty the full tank in
    • 36
      hr
    • .
    • If both the pipes are opened together,
    • in how much time will the tank become full?
  • 4
    1
    4
    hr
  • 3
    1
    2
    hr
  • 4
    1
    2
    hr
  • 5
    1
    2
    hr
  • 5
    hr