ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VII - Time and Work
Question 1
1.
    • A, B, C, D, and E can do a piece of work in
    • 15
      days
    • ,
    • 10
      days
    • ,
    • 13
      days
    • ,
    • 8
      days
    • and
    • 14
      days
    • respectively.
    • Who has the greatest capacity to do work?
  • B
  • E
  • D
  • C
  • A
Question 2
2.
    • A certain number of men can do a work in
    • 32
      days
    • .
    • If there were
    • 27
    • men
    • more
    • ,
    • it would take
    • 12
      days
    • less
    • to complete the work.
    • How many men are required to complete the work in
    • 40
      days
    • ?
  • 37
  • 35
  • 36
  • 33
  • 38
Question 3
3.
    • A sum of
    • ₹1644.00
    • will be given to do a work.
    • A and B can do it in
    • 4
      8
      19
      hr
    • .
    • B and C can do in
    • 5
      5
      11
      hr
    • .
    • C and A can do in
    • 4
      2
      17
      hr
    • .
    • How much A, B and C respectively will get if all three work together?
  • (
    ₹720
    ,
    ₹420
    ,
    ₹504
    )
  • (
    ₹504
    ,
    ₹420
    ,
    ₹720
    )
  • (
    ₹720
    ,
    ₹504
    ,
    ₹420
    )
  • (
    ₹504
    ,
    ₹720
    ,
    ₹420
    )
  • (
    ₹420
    ,
    ₹504
    ,
    ₹720
    )
Question 4
4.
    • A and B together can do a piece of work in
    • 5
      5
      21
      hr
    • .
    • They work together for
    • 2
      hr
    • and then A leaves.
    • B completes the remaining work in
    • 6
      4
      5
      hr
    • .
    • In how much time can each of them do the work seperately?
  • (
    10
    hr
    ,
    11
    hr
    )
  • (
    11
    hr
    ,
    11
    hr
    )
  • (
    10
    hr
    ,
    10
    hr
    )
  • (
    9
    hr
    ,
    11
    hr
    )
  • (
    10
    hr
    ,
    12
    hr
    )
Question 5
5.
    • A can do
    • 9
      10
    • of a work in
    • 8
      1
      10
      hr
    • .
    • He works for
    • 4
      hr
    • when B joins him.
    • They work together and complete the work in
    • 2
      1
      2
      hr
    • .
    • In how much time, B alone can do the work?
  • 10
    hr
  • 9
    hr
  • 7
    hr
  • 8
    hr
  • 11
    hr
Question 6
6.
    • A and B can do a work in
    • 3
      9
      17
      hr
    • ,
    • B and C can do it in
    • 5
      5
      11
      hr
    • and C and A can do it in
    • 3
      1
      3
      hr
    • .
    • In how much time can
    • each of them do it seperately?
  • (
    5
    hr
    ,
    12
    hr
    ,
    10
    hr
    )
  • (
    6
    hr
    ,
    12
    hr
    ,
    10
    hr
    )
  • (
    6
    hr
    ,
    13
    hr
    ,
    10
    hr
    )
  • (
    5
    hr
    ,
    12
    hr
    ,
    11
    hr
    )
  • (
    5
    hr
    ,
    13
    hr
    ,
    10
    hr
    )
Question 7
7.
    • 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
    2
    hr
  • 5
    1
    2
    hr
  • 5
    hr
  • 3
    1
    2
    hr
  • 4
    1
    4
    hr
Question 8
8.
    • A and B can do a work in
    • 8
      days
    • , B and C can do in
    • 6
      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
    28
    29
    days
  • 5
    1
    29
    days
  • 4
    28
    31
    days
  • 4
    26
    29
    days
  • 5
    1
    27
    days
Question 9
9.
    • 2
    • men take
    • 9
      days
    • to complete a work.
    • How much work is done by one man in one day?
  • 1
    2
  • 1
    6
  • 1
    18
  • (
    -1
    18
    		 )
  • 1
    9
Question 10
10.
    • A and B can do a work in
    • 3
      days
    • and
    • 4
      days
    • respectively.
    • They together undertook to do a piece of work for
    • ₹6300.00
    • .
    • What is the share of B?
  • ₹2700.00
  • ₹3598.00
  • ₹3600.00
  • ₹2701.00
  • ₹2699.00