Class 8 · Chapter 8
Fractions in Disguise
Percentages, discounts, profit, loss, simple interest.
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Ganita Prakash · Class 8 Part 2 (2026-27)
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Detailed theory
. Multiply by 100 to convert fraction/decimal to percent.
Key concepts & formulas
01
Percentage = number out of 100.
02
Profit = SP - CP; Loss = CP - SP.
03
Profit % / Loss % on CP.
04
Discount = MP - SP; discount % on MP.
05
Simple Interest: .