Quantitative Aptitude - Arithmetic Ability Questions

The radius and height of a solid cylinder are increased by 2% each. What will be the approximate percentage increase in volume?

A cylindrical vessel of radius 8 cm is partially filled with water. By how much will the water level rise if a sphere of radius 7 cm is completely immersed in this water?

A circle of diameter 26 cm having the two equal chords of length 10 cm is separated by a distance x cm. Calculate the distance x.

In a mixture, sugar and milk are in the ratio 4 : 5. If 7 litres of milk is added to it, then the ratio of sugar and milk in the new mixture becomes 2 : 3. What is the total quantity (In litres) of sugar in new mixture?

At 8% simple interest per annum a sum of money becomes Rs. 300 in 2.5 years. What was the sum invested?

What is the slope of the line parallel to the line passing through the points (3 , -4) and (-2 , 5)?

Which of the following numbers is not composite?