book Maths Puzzle Numerical Ability

The wheels of a car have a 24-in. diameter. When the car is being driven so that the wheels make 10 revolutions per second, how far with the car travel in one minute?

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book Other Question

Please help me to perform indicated operation and simplify if possible:

5x over x^2-9 minus 4 over 3-x A rectangle has a perimeter of 26 meters. The width is 3 meters more than 1/4 the length. What are the lengths of all sides?