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Sales tax of 5 per cent on roller skates costing 450 is:
A20.50
B24.50
C26.50
D22.50
Answer & Solution
Correct answer: D. 22.50
1. Five per cent means 5 out of every 100.
2. So the tax is 5 by 100 times 450.
3. That gives 22.50.
4. The answer is 22.50.
_Source: NCERT Class 8 Mathematics, Ch 7 'Comparing Quantities'_
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