Quantitative Aptitude - Arithmetic Ability Questions

The volume of a right circular cone, whose radius of the base is same as its altitude, and the volume of a sphere are equal. The ratio of the radius of the cone to the radius of the sphere is

The sum of a fraction and 3 times its reciprocal is 31/6. What is the fraction?

3 years ago, the ratio of Maya's and Shikha's age was 5:9respectively. After 5 years, this ratio would become 3:5. Find present age of Maya?

The external and the internal radii of a hollow right circular cylinder of height 15 cm are 6.75 cm and 5.25 cm respectively. If it is melted to form a solid cylinder of height half of the orignal cylinder, then the radius of the solid cylinder is

Two trees are standing along the opposite sides of a road. Distance between the two trees is 400 metres. There is a point on the road between the trees. The angle of depressions of the point from the top of the trees are 45 deg and 60 deg. If the height of the tree which makes 45 deg angle is 200 metres, then what will be the height (in metres) of the other tree?

The ratio of marks obtained by a student was 1:2:3. The school decided to allow grace marks of 5% for each subject. Find the student's new ratio.

Square root of 0.9 is equal to

What is the equation of the line if its slope is 1/4 and y-­intercept is ­-3?