Test 33 of 39

Chain Rule

GoApti March 19, 2019
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Aptitude Made Easy – Problems on Chain rule – Part 1, Basics and Methods, Shortcuts, Tricks

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Aptitude Made Easy – Problems on Chain rule – Part 2, Basics and Methods, Shortcuts, Tricks

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  • 1) Direct Proportion: Any two quantities are said to be directly proportional, if on the increase of one quantity, the other quantity increases and vice-versa.
  • Example: Cost is directly proportional to number of objectsCost ∝ Number of objects Number of objects increases (↑) Cost (↑)
  • Example: Work done is directly proportional to number of working menWork done ∝ Number of working men Number of men increase (↑) Work done (↑)
  •  Indirect Proportion: Any two quantities are said to be indirectly proportional, if on the increase of one quantity, the other quantity decreases and vice-versa.
  • Example: If speed of car is increases, then the time required to cover the distance decreases. Speed of car (↑) Time required decreases (↓)
  • Example: Time taken to finish work increases, if number of men decrease. Time (↑) Number of men (↓)