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Mathematics

Chain Rule MCQs

Practice Chain Rule MCQs for competitive exams.

Chain Rule MCQs

Practice questions from this topic.

The cost of 21 pencils and 9 clippers is Rs. 819. The cost price of 7 pencils and 3 clippers is = ?

  1. A. Rs. 204
  2. B. Rs. 409
  3. C. Rs. 273
  4. D. Rs. 208
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The cost of 5 kgs of apples is Rs. 450. The cost of 12 dozen mangoes is Rs. 4320 and the cost of 4 kgs of oranges is Rs. 240. What is the total cost of 8 kg of apples, 8 dozen of mangoes and 8 kg of oranges ?

  1. A. Rs. 4020
  2. B. Rs. 4080
  3. C. Rs. 4050
  4. D. Other than those given as option
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The cost of 8 fans and 14 ovens is Rs. 36520. What is the cost of 12 fans and 21 ovens ?

  1. A. Rs. 56800
  2. B. Rs. 54780
  3. C. Rs. 57950
  4. D. Cannot be determined
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The cost of 4 dozen papers is Rs. 24. The cost of 1 score of papers (in rupees) is ?

  1. A. 40
  2. B. 20
  3. C. 10
  4. D. 42
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If 2 m, 60 cm cloths is required for one shirt, then the cloth required for 7 shirts is ?

  1. A. 14 m 80 cm
  2. B. 18 m 20 cm
  3. C. 15 m 20 cm
  4. D. 16 m 80 cm
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Large, medium and small ships are used to bring water. 4 large ships carry as much water as 7 small ships, 3 medium ships carry the same amount of water as 2 large ships and 1 small ship. 15 large, 7 medium and 14 small ships, each made 36 journeys and brought a certain quantity of water. In how many journeys would 12 large, 14 medium and 21 small ships bring the same quantity ?

  1. A. 25
  2. B. 29
  3. C. 32
  4. D. 49
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12 men and 18 boys, working $$7frac{1}{2}$$ hours a day, can do a piece of work in 60 days. If a man works equal to 2 boys, then how many boys will be required to help 21 men to do twice the work in 50 days, working 9 hours a day ?

  1. A. 30
  2. B. 42
  3. C. 48
  4. D. 90
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The work done by a women in 8 hours is equal to the work done by a man in 6 hours and by a boy in 12 hours. If working 6 hours per day 9 men can complete a work in 6 days, then in how many days can 12 men, 12 women and 12 boys together finish the same work, working 8 hours per day ?

  1. A. $${text{1}}frac{1}{2}{text{ days}}$$
  2. B. $${text{3 days}}$$
  3. C. $${text{3}}frac{2}{3}{text{ days}}$$
  4. D. $${text{4}}frac{1}{2}{text{ days}}$$
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A team of workers was employed by a contractor who undertook to finish 360 pieces of an article in a certain number of days. Making four more pieces per day than was planned, they could complete the job a day ahead of schedule. How many days did they take to complete the job ?

  1. A. 8 days
  2. B. 9 days
  3. C. 10 days
  4. D. 12 days
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A fort has provisions for 50 days. If after 10 days they are strengthened by 500 men and the food lasts for 35 days longer, the number of men originally in the fort were ?

  1. A. 2500
  2. B. 3000
  3. C. 3500
  4. D. 4000
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A garrison had provision for a certain number of days. After 10 days, $$frac{1}{5}$$ of the men desert and it is found that the provisions will now last just as long as before. How long was that ?

  1. A. 15 days
  2. B. 25 days
  3. C. 35 days
  4. D. 50 days
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A garrison of 500 men had provisions for 27 days. After 3 days a reinforcement of 300 men arrived. For how many more days will the remaining food last now ?

  1. A. 15
  2. B. 16
  3. C. $${text{17}}frac{1}{2}$$
  4. D. 18
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