Quantitative Aptitude - Arithmetic Ability Questions

A regular pyramid has a square base. The height of the pyramid is 22 cm and side of its base is 14 cm. Volume of pyramid is equal to the volume of a sphere. What is the radius (in cm) of the sphere?

What is the reflection of the point (-2, 5) in the line x = -1?

A and B together can do a piece of work in 12 days while A alone can do the same work in 30 days. B alone can do it in

Present ages of Rahul and his brother are in the ratio of 5 : 3. After 4 years ratio of ages of Rahul’s brother and his sister will be 5 : 6. If the present age of his sister is 26 years, then what will be the age (in years) of Rahul 3 years from now?

If (1 / 3.197) = 0.3127, find the value of (1 / 0.0003197).

The mean of a distribution is 20 and the standard deviation is 4. What is the value of the coefficient variation?

If C + 1C = 3, then what is the value of C-37+1C7?

The point at which the perpendicular bisectors of the sides of a triangle intersect is known as _____________________