Quantitative Aptitude - Arithmetic Ability Questions

15 small rods, each of length 23 2/7 m are joined to make a big rod. What then is the length of the big rod?

A kite is flying at a height of 50m. If the length of string is 100 m then the inclination of string to the horizontal ground in degree measures is

A polygon has 9 sides. What is its interior angle?

In the circle above, chord AB is extended to meet the tangent DE at D. If AB = 5 cm and DE = 6 cm, find the length of BD.

In a triangle the length of the side opposite the right angle is 6 cm, what is the length of the side opposite to the angle which measures 30°?

If a regular polygon has 10 sides then the measure of its interior angle is greater than the measure of its exterior angle by how many degrees?

The two equal sides of an isosceles triangle is 20 cm each and the third side is 30 cm. What is the area (in sq.cm) of the triangle?

If X + 2Y = 27 and X - 2Y = -1, find the value of Y.