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Home Aptitude Chain Rule Comments

  • Question
  • 4 mat-weavers can weave 4 mats in 4 days. At the same rate, how many mats would be woven by 8 mat-weavers in 8 days?


  • Options
  • A. 16
  • B. 12
  • C. 8
  • D. 4

  • Correct Answer
  • 16 

    Explanation

    Let the required number of bottles be x.

     

    More weavers, More mats (Direct Proportion)

     

    More days, More mats (Direct Proportion)

     

     

    w e a v e r s     4 : 8 }   : 4 : x d a y s                 4 : 8 } : 4 : x  

    4 x 4 x x = 8 x 8 x 4

     

    => x =  8 * 8 * 4 4 * 4

     

    => x = 16.


  • Chain Rule problems


    Search Results


    • 1. In a dairy farm, 40 cows eat 40 bags of husk in 40 days. In how many days one cow will eat one bag of husk?

    • Options
    • A. 1
    • B. 1/40
    • C. 40
    • D. 80
    • Discuss
    • 2. If a quarter Kg of potato costs 60 paise, How many paise will 200 gm cost?

    • Options
    • A. 48 Paise
    • B. 54 Paise
    • C. 56 Paise
    • D. 72 Paise
    • Discuss
    • 3. If the cost of x metres of wire is d rupees, then what is the cost of y metres of wire at the same rate?

    • Options
    • A. Rs. (xy/d)
    • B. Rs. (xd)
    • C. Rs. (yd)
    • D. Rs. (yd/x)
    • Discuss
    • 4. A fort had provision of food for 150 men for 45 days. After 10 days, 25 men left the fort. The number of days for which the remaining food will last, is:

    • Options
    • A. 29
    • B. 37
    • C. 42
    • D. 54
    • Discuss
    • 5. A wheel that has 6 cogs is meshed with a larger wheel of 14 cogs. When the smaller wheel has made 21 revolutions, then the number of revolutions mad by the larger wheel is:

    • Options
    • A. 4
    • B. 9
    • C. 12
    • D. 49
    • Discuss
    • 6. In a camp, there is a meal for 120 men or 200 children. If 150 children have taken the meal, how many men will be catered to with remaining meal?

    • Options
    • A. 50
    • B. 40
    • C. 30
    • D. 20
    • Discuss
    • 7. 10 men, working 6 hours a day can complete a work in 18 days. How many hours a day must 15 men work to complete the work in 12 days ?

    • Options
    • A. 4 hours a day
    • B. 5 hours a day
    • C. 6 hours a day
    • D. 7 hours a day
    • Discuss
    • 8. If 16 men working 7 hours day can plough a fieid in 4l days, inhow many days will 14 men working 12 hours a clay plough the samefield ?

    • Options
    • A. 46
    • B. 32
    • C. 35
    • D. 30
    • Discuss
    • 9. If the Price of 6 toys is Rs. 264.37, What will be the approximate price of 5 toys?

    • Options
    • A. Rs.120
    • B. Rs.100
    • C. Rs.200
    • D. Rs.220
    • Discuss
    • 10. An industrial loom weaves 1.14 meters of cloth every second. Approximately, how much time will it take to weave 52 meters of cloth ?

    • Options
    • A. 29.32 sec
    • B. 42.51 sec
    • C. 39.25 sec
    • D. 45.61 sec
    • Discuss


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