Quantitative Aptitude - Arithmetic Ability Questions

A cone is hollowed out of a solid wooden cube of side 7 cm. The diameter and height of the cone is same as the side of the cube. What is the volume of the remaining cube?

Two numbers are 40% and 80% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?

In the figure, a circle touches quadrilateral ABCD. If AB = 2x + 3, BC = 3x - 1, CD = x + 6 and DA = x + 4, then what is the value of x?

The rate of simple interest per annum at which a sum of money double itself in 16 2/3 yrs is

Ganesh, Ram and Sohan together can complete a work in 16 days. If Ganesh and Ram together can complete the same work in 24 days. The number of days Sohan alone takes, to finish the work is

If √(1+tan2A) = x, then the value of x is

The length of the diagonal of a square is 10 cm. What is area of this square?

The average of 3 consecutive even numbers is A. If next 5 even numbers are added, then what is the average of these 8 numbers?