ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VIII - Time and Work
Question 1
1.
    • A and B can do a work in
    • 5
      days
    • and
    • 4
      days
    • respectively.
    • They together undertook to do a piece of work for
    • ₹5400.00
    • .
    • What is the share of B?
  • ₹2400.00
  • ₹3001.00
  • ₹2999.00
  • ₹3000.00
  • ₹2398.00
Question 2
2.
    • A, B, C, D, and E can do a piece of work in
    • 10
      days
    • ,
    • 13
      days
    • ,
    • 15
      days
    • ,
    • 9
      days
    • and
    • 12
      days
    • respectively.
    • Who has the greatest capacity to do work?
  • A
  • D
  • B
  • E
  • C
Question 3
3.
    • P and Q can do together a piece of work in
    • 2
      8
      11
      days
    • .
    • After they have worked together for
    • 2
      days
    • ,
    • P stops.
    • Q completes the remaining work in
    • 1
      3
      5
      days
    • .
    • In how many days can Q alone do the work?
  • 9
    days
  • 5
    days
  • 7
    days
  • 3
    days
  • 6
    days
Question 4
4.
    • Two pipes can fill a tank in
    • 6
      min
    • and
    • 12
      min
    • respectively.
    • Both pipes are
    • opened together and after some time the first pipe is closed and the tank
    • becomes full in
    • 6
      min
    • from the time when both pipes are opened.
    • For how much time was first pipe open?
  • 2
    min
  • 4
    min
  • 3
    min
  • 0
    min
  • 6
    min
Question 5
5.
    • A certain number of men can do a work in
    • 54
      days
    • .
    • If there were
    • 8
    • men
    • more
    • ,
    • it would take
    • 9
      days
    • less
    • to complete the work.
    • How many men are required to complete the work in
    • 30
      days
    • ?
  • 70
  • 73
  • 71
  • 72
  • 74
Question 6
6.
    • A, B, C, D, and E can do a piece of work in
    • 14
      hr
    • ,
    • 13
      hr
    • ,
    • 6
      hr
    • ,
    • 10
      hr
    • and
    • 15
      hr
    • respectively.
    • Who has the greatest capacity to do work?
  • A
  • D
  • B
  • C
  • E
Question 7
7.
    • A can do a piece of work in
    • 14
      hr
    • and B in
    • 9
      hr
    • .
    • A does the work for
    • 4
      hr
    • before B join A to work together.
    • Again after
    • 2
      hr
    • C joins both A and B to complete the work in
    • 1
      21
      155
      hr
    • .
    • In how much time C alone can do the work?
  • 8
    hr
  • 9
    hr
  • 11
    hr
  • 6
    hr
  • 7
    hr
Question 8
8.
    • A and B together can do a piece of work in
    • 6
      20
      27
      days
    • .
    • They work together for
    • 3
      days
    • and then A leaves.
    • B completes the remaining work in
    • 7
      10
      13
      days
    • .
    • In how much time can each of them do the work seperately?
  • (
    13
    days
    ,
    15
    days
    )
  • (
    14
    days
    ,
    14
    days
    )
  • (
    12
    days
    ,
    14
    days
    )
  • (
    13
    days
    ,
    14
    days
    )
  • (
    13
    days
    ,
    13
    days
    )
Question 9
9.
    • 8
    • men can do a work in
    • 18
    • days working
    • 7
    • hours a day.
    • In how many days can
    • 6
    • men do the same work, working
    • 7
    • hours a day?
  • 23
    days
  • 24
    days
  • 21
    days
  • 26
    days
  • 25
    days
Question 10
10.
    • 6
    • men take
    • 2
      days
    • to complete a work.
    • How much work is done by one man in one day?
  • 1
    6
  • 1
    2
  • 1
    12
  • (
    -1
    12
    		 )
  • 1
    4