Quantitative Aptitude - Arithmetic Ability Questions

Which one of the following combination of measurements can form the sides of a triangle?

What is the slope of the line 2x + 3y = 12?

The lengths of two parallel sides of a trapezium are 21 cm and 9 cm. If its height is 10 cm, then what is the area (in cm2) of the trapezium?

The height of a cone is 24 cm and the area of the base is 154 cm2 . What is the curved surface area (in cm2) of the cone?

If the sum of the interior angles of a regular polygon is 1260 deg , then how many sides does it have?

The simple interest on a sum is 7/8 of the principal for 5 years. What is the rate (in percentage) of interest per annum?

O is the center of the circle and two tangents are drawn from a point P to this circle at points A and B. If ∠AOP = 50°, then what is the value (in degrees) of ∠APB?

If triangle ABC = triangle XYZ and angle BAC = 55 deg, then angle ZXY = ?