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Maths Puzzle
Numerical Ability
If the sales of a product increased by 8% in one year and by 15% in the next year, what was the overall percentage increase in sales over the two years?
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book Other Question
The amount of tax is directly proportional to the cost of an item. If the tax on a $12,300 car is $738, find the tax on a $9,450 car.
How many ml of a 40% acid solution should be added to 100 ml of a 50% acid solution to create a 42% acid solution?