Quantitative Aptitude - Arithmetic Ability Questions

54% of 4000 is

A shopkeeper marks his goods 40% above the cost price and allows a discount of 25% on it. His gain % is

Two donkeys are standing 400 meters apart. First donkey can run at a speed of 3 m/sec and the second can run at 2 m/sec. If two donkeys run towards each other after how much time (in sec) will they bump into each other?

The total surface area of a hemisphere is 166.32 sq cm, find its radius?

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 radius of the circle circumscribing the three vertices of an equilateral triangle is 12 cm. Determine the height (in cm) of the equilateral triangle

An exterior angle of a triangle is 115 deg and one of the interior opposite angle is 45 deg. Then the other two angles are

Complete the number series by choosing the missing terms from the options. 32, 64, 256, 1536, ? ,122880,1474560