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(Guidance Programme) Combined Graduate Level Exam - Tier - II : Percentage
Percentage
‘Per cent’ means ‘per hundred’. It is given by % symbol. Here x% means x per
hundred . Thus, any percentage can be converted into an equivalent fraction by
dividing it by 100.
Also, any fraction or decimal can be converted into its equivalent percentage
by multiplying with 100.
eg
Important Formulae
3. If the price of the commodity increases by r% then the reduction in
consumption so as not to increase the expenditure is
4. If the price of the commodity decreases by r% then the reduction in
consumption so as not to increase the expenditure is