Quantitative Aptitude - Arithmetic Ability Questions

The sum of the lengths of the edges of a cube is equal to the perimeter of a square. If 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

Which of the following is not a quadratic equation?

The reciprocal of the sum of the reciprocals of 2/9 and 7/10 is

5 year hence, ratio of ages of A and B will be 7 : 5 and difference between their ages will be 4 years. What are present ages (in years) of A and B
respectively?

A gun is fired at a distance of 1.7 km from Ram and he hears the sound after 25 seconds. The speed of sound in meter per second is

A can do a work in 20 days and B in 10 days. If they work on it together for 5 days, then what fraction of work is left.

In a right angled triangle if hypotenuse is 20 cm and ratio of other two sides is 4:3, the length of the sides are