Quantitative Aptitude - Arithmetic Ability Questions

If the edge of a cube is increased by 2 cm, the volume will increase by 488 cub.cm. What then will be the length of each edge of the cube?

The sum of 5/8 and 8/5 is

The length of two parallel sides of a trapezium are 18 m and 24 m. If its height is 12 m, then what is the area (in sq.m) of the trapezium?

The radius and the height of a cone are each increased by 20%. Then the volume of the cone increases by

In a right angled triangle ΔDEF, if the length of the hypotenuse EF is 12 cm, then the length of the median DX is

If a - b = 5 and a2 + b2 = 97, ab = ?

If a rod of length 208 45 is cut into equal pieces of length 23 15 then the total number of rods obtained is

If X + 2Y = 27 and X - 2Y = -1, find the value of Y.