Quantitative Aptitude - Arithmetic Ability Questions

Find x, if 5x-6+5x+6 = 6

A pentagonal prism has 15 edges. How many vertices does it have?

What is the area (in cm2) of the circumcircle of a triangle whose sides are 6 cm, 8 cm and 10 cm respectively?

The length of a string is 8 feet and 9 inches, which is divided into 3 equal parts. What is the length of each part in inches?

In a triangle, the distance of the centroid from the three vertices is 4cm, 6cm and 8cm respectively. Then the length of the smallest median is:

sec2Acosec2A is equal to

A dealer sells a machine having marked price as Rs 3840 at a discount of 20%. What is the selling price (in Rs) of the machine?

What is the value of x3-1x3+8 when 8x-8x-16=0 ?