Question

formulae and notes for comparing quantities

• S.P. is selling price
• C.P. is cost price
• The overhead expenses are a part of CP.
• Profit or loss is always calculated on CP
• For profit, SP>CP and for loss CP>SP
• Discount is always calculated on the marked price.
• VAT is not a part of selling price. Although it is calculated on the SP but it is excluded from the SP while calculating profit or loss.
• Formula for compound interest gives Amount=P(1+R/100)n then CI=A-P
• If the interest is compounded half yearly the time period becomes twice as much as the numbers of years. The rate of interest is reduced to half.
• We compare two quantites by division.It is called ratio. Quantities written in same unit. Ratio has no unit
• Another way to compare quantity is to express in percentages.
• Profit= Profit/CPX100, Loss= Loss/CpX100

Answer 1

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Answer 2

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