List of top Quantitative Aptitude Questions on Surface Area of Cube, Cuboid and Cylinder asked in CAT

The area of a circle is 154 cm². What is its radius? (Use \( \pi = \frac{22}{7} \))

A rectangle has an area of 60 cm² and a perimeter of 32 cm. What is the length if it is greater than the width?

If 25^(3a-2b) = 5^(b-a) = 5² and , then find the value of ab - c.