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CHAPTER AT A GLANCE
Fractions in Disguise
•Unit: Commercial Mathematics
•Board weightage: Percentages, profit and loss, discount, simple and compound interest and growth give regular 2-mark, 3-mark and 4-mark questions (please check the latest sample paper)
•Key ideas from the textbook: fraction–decimal–percentage conversion, percentage of a quantity, percentage greater than 100, increase and decrease, profit, loss, discount, compounding, depreciation
•Most scoring part: percentage profit or loss, discount problems, and the amount with and without compounding
•Time to revise: about 75 minutes
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