Important Formula: Percentages Notes | EduRev

Quantitative Aptitude (Quant)

CAT : Important Formula: Percentages Notes | EduRev

The document Important Formula: Percentages Notes | EduRev is a part of the CAT Course Quantitative Aptitude (Quant).
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Percentages

Fractions and their percentage equivalents:
Important Formula: Percentages Notes | EduRev
EduRev's Tip: 

  • r% change can be nullified by (100r/100 + r)% change in another direction. Eg: An increase of 25% in prices can be nullified by a reduction of [100 x 25/(100 + 25)] = 20% reduction in consumption.
  • If a number ‘x’ is successively changed by a%, b%, c%...
    ⇒ Final value = Important Formula: Percentages Notes | EduRev
  • The net change after two successive changes of a% and b% is
    Important Formula: Percentages Notes | EduRev
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