Quantitative Aptitude - Arithmetic Ability Questions

What is the area (in sq cm) of an equilateral triangle of side 6 cm?

What is the measure of an exterior angle of a regular polygon of 10 sides?

If 3a – (3/a) – 3 = 0, then what is the value of a3 – (1/a3) + 2?

A mixture contains spirit and water in the ratio of 3 : 2. If it contains 3 litres more spirit than water, the quantity of spirit in the mixture is

The ratio of present ages of Ramita and Satyajit is 9:7. After 9 years the ratio of their ages will be 5:4. What is Ramita's present age?

If 177 is divided into 3 parts in the ratio 1/2 : 2/3: 4/5, then the second part is

If k is the largest possible real number such that p4+q4=(p2+kpq+q2)(p2-kpq+q2),then the value of k is

If one angle of a triangle is equal to half the sum of the other two equal angles, then the triangle is