Quantitative Aptitude - Arithmetic Ability Questions

Calculate the difference between the square of the largest and smallest two-digit prime numbers.

The length and breadth of a rectangle are 15 cm and 8 cm respectively. Find its area (in cm2)

If the amount received at 10% per annum Compound interest after 3 yrs is Rs 19965, then what will have been the principal (in Rs) amount?

If 2560.256 = 25.6x, then what will be the value of x?

The angle of elevation of the top of a tower at a distance of 25 m from its foot is 60 deg. The approximate height of the tower is

A cylinderical container of 32 cm height and 18 cm radius is filled with sand. Now all this sand is used to form a conical heap of sand. If the height of theconical heap is 24 cm, what is the radius of its base?

When n is divided by 4, the remainder is 3. The remainder when 2n is divided by 4 is:

If tan (5x ­- 10°) = cot (5y + 20°), then the value of x + y is