Chain Rule Practice Problems: Level 01

  1. 3600 men had provisions for 59 days. They started consuming, but after 10 days, reinforcement arrives. As a result, the remaining food lasted for 36 days. What was the strength of the reinforcement?
    1. 1300
    2. 1400
    3. 1500
    4. None of these

  2. If either 24 men or 36 women can reap a field in 40 days, then 16 men and 16 women will reap the field in
    1. 36 days
    2. 16 days
    3. 9 days
    4. 8 days

  3. 26 men complete a piece of work in 24 days working 9 hours a day. In how many days will 36 men complete the work working 6 hours a day?
    1. 27 days
    2. 30 days
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    3. 26 days
    4. None of these

  4. 38 persons can repair a road in 15 days, working 7 hours a day. In how many days will 35 persons, working 6 hours a day, complete the work?
    1. 9 days
    2. 13 days
    3. 17 days
    4. 19 days

  5. If 9 binders bind 450 books in 15 days, how many binders will be required to bind 200 books in 10 days?
    1. 5
    2. 8
    3. 6
    4. 7

  1. 3 men and 6 boys can do a piece of work in 12 days; 4 men and 7 boys can do the same in 10 days. Then, 6 men and 6 boys can do three times the amount of this work in:
    1. 18 days
    2. 21 days
    3. 24 days
    4. 30 days

  2. 40 labourers, working 8 hours a day can finish a piece of work in 21 days. If the labourers work 7 hours a day, then the number of labourers to finish the same piece of work in 40 days, will be:
    1. 15
    2. 21
    3. 24
    4. 25

  3. If 1200 men working for 6 hrs/day can check 4000 answer sheets in 20 days, then 3500 men working for 9hrs/day can check 7000 answer sheets in how many days?
    1. 8.5 days
    2. 8 days
    3. 9 days
    4. None of these

  4. A certain number of men can finish a piece of work in 200 days. If, there were 20 men less, it would take 20 days more for the work to be finished. How many men were there originally?
    1. 50
    2. 100
    3. 200
    4. 220

  5. In a diary farm, 30 cows eat 30 bags of husk in 50 days. In how many days will one cow eat one bag of husk?
    1. 12.5 days
    2. 25 days
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    3. 50 days
    4. 100 days