Quantitative Aptitude - Arithmetic Ability Questions

If the diameter of a hemisphere is 21 cm, then what is the volume (in cub.cm) of hemisphere?

A cube is inscribed in a sphere. A right circular cylinder is within the cube touching all the vertical faces. A right circular once is inside the cylinder. Their heights are same and the diameter of the cone is equal to that of the cylinder.

What is the ratio of the volume of the cube to that of the cylinder ?

A number when divided by the sum of 555 and 445 gives two times their difference as quotient and 30 as the remainder. The number is

If the sum of squares of three consecutive natural number is 2702. Then, what will be the middle number?

P does half as much work as Q in 1/3 of the time. If together they take 15 days to complete a work, how many days will P take to do it alone?

Deepinder lent Rs 8200 to Jairaj for 16 years and Rs 4900 to Karna for 15 years on simple interest at the same rate of interest and received Rs 19446.5 in all from both of them as interest. The rate of interest per annum is:

In the following question, select the odd word from the given alternatives.

The length of the diagonal and the breadth of a rectangle is 13 cm and 5 cm respectively. Calculate its area (in cm²).