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In this unit, You can Completely learn Aptitude – Problems on Percentages.

If the price of a commodity decreases by R%, then the increase in consumption so as not to decrease the expenditure is:

Aptitude – Problems on PercentagesIn this unit, You can Completely learn Aptitude – Problems on Percentages.

Problems on Percentages Important Formula:Concept of Percentage:By a certainpercent, we mean that many hundredths.Thus,xpercent meansxhundredths, written asx%.x% as a fraction: We have,x% =xaaabbbPercentage Increase/Decrease:If the price of a commodity increases by R%, then the reduction in consumption so as not to increase the expenditure is:If the price of a commodity decreases by R%, then the increase in consumption so as not to decrease the expenditure is:

Results on Population:Let the population of a town be P now and suppose it increases at the rate of R% per annum, then:nyears = Pnyears ago =Results on Depreciation:Let the present value of a machine be P. Suppose it depreciates at the rate of R% per annum. Then:nyears = Pnyears ago =## Attachments3