Quantitative Aptitude - Arithmetic Ability Questions

If the side of the equilateral triangle is 8√3 cm, then what is the length (in cm) of the in radius of the triangle?

A car takes 5 hours to cover 100 kms distance at a particular speed whereas another car takes 3 hours to reach a particular distance at the same speed. Find the distance.

ΔPQR is right angled at Q. If cosP = 3/5, then what is the value of cosR ?

If the measure of the interior angle of a regular polygon is 120 deg then how many sides does it have?

If 2x - 6 ≤ x - 3 and 1+3x < 4x + 4, then x can take which of the following values?

The upper part of a tree broke at a certain height makes an angle of 60 ° with the ground at a distance of 10 m. from its feet. The original height of the tree was

A sum becomes 1.69 times of itself in 2 years when invested at compound interest. What is the per annum rate of interest (in percentage)?

An inverted conical shaped vessel is filled with water to its brim. The height of the vessel is 8 cm and radius of the open end is 5 cm . When a few solid spherical metallic balls each of radius 1⁄2 cm are dropped in the vessel , 25% water is overflowed. The number of balls is: