Quantitative Aptitude - Arithmetic Ability Questions

Dodecahedron has 30 edges. How many vertices does it have?

A right circular cylinder is partially filled with water. Two iron spherical balls are completely immersed in the water so that the height of the water in the cylinder rises by 4 cm. If the radius of one ball is half of the other and the diameter of the cylinder is 18 cm, then the radii of the spherical balls are

The sum of radii of the two circles is 91 cm and the difference between their area is 2002 cm2 . What is the radius (in cm) of the larger circle?

The age of A is three times the age of B. What is the ratio of the age of B to the age of A?

If x2+y2+z2-8x+6y-4z+29 = 0, then find the value of z(x+y).

What is the value of ( 1/3 + cosec30)?

Select the odd word from the given alternatives.

Find the odd word/letters/number from the given alternatives.