Quantitative Aptitude - Arithmetic Ability Questions

The surface area of a sphere is 2464 cm². Find its diameter (in cm).

Find the smallest of the following decimals.

The total surface area of a cube is 181.5 cm². Find its side (in cm).

A and B together can finish a work in 30 days. They worked for it for 20 days and then B left the work. The remaining work was done by A alone in 20 days more. In how many days can A alone finish the work?

The length, breadth and height of a cuboid are 10 cm, 6 cm and 4 cm respectively. What is the total surface area?

The measures of the four angles of a quadrilateral are in the ratio 1:2:4:5. What is the measure of the biggest angle?

In what ratio does the point T(x,0) divide the segment joining the points S(-4,-1) and U(1,4)?

The amount of extension in a spring is proportional to the weight hung on it. If the weight of 5 kgs produces an extension of 0.4 cm, what weight would produce an extension of 5cm?