Quantitative Aptitude - Arithmetic Ability Questions

The curved surface area of a hemisphere is 27.72 sq cm and volume is 19.404 cubic cm, find its radius?

In a rhombus _____.

If the radius of the cylinder is decreased by 20%, then by how much percent the height must be increased, so that the volume of the cylinder remains same?

Aparna changes the marked price of an item to 50% above its C.P. What % of discount allowed in approximately to gain 10%?

Four numbers A, B, C and D are such that their overall average is 16. The average of A and B is 9.5. The average of C and D is

The difference between the ages of mother and son was 21 when mother's age was 43. If father is elder by 3 years to mother, what will be the difference between the ages of son and father when father attains 50 years?

The sum of the lengths of the edges of a cube is equal to four times the perimeter of a square. If a quarter of the numerical value of the volume of the cube is equal to the numerical value of the area of the square, then the length of one side of the square is

Select the odd letters from the given alternatives.