A solid sphere of 6 cm diameter is melted and recast into 8 solid spheres of equal volume. The radius (in cm) of each small sphere is

A box filled with paper bundles weighs 36 kg. If the weights of the box and paper bundles respectively are in the ratio 3 : 22, then the weight of the papers (in g) is

Three taps A, B and C together can fill an empty cistern in 10 min. Tap A alone can fill it in 30 min and tap B alone in 40 min. How long will tap C alone take to fill it?

A copper rod of 1 cm diameter and 8 cm length is drawn into a wire of uniform diameter and 18 m length. The radius (in cm) of the wire is

A man travelled a distance of 80 km in 7 h partly on foot at the rate of 8 km/h and partly on bicycle at 16 km/h. The distance travelled on foot is

If x : y :: 2 : 3 and 2 : x :: 4 : 8, the value of y is

The average of six numbers is 32. If each of the first three numbers is increased by 2 and each of the remaining three numbers is decreased by 4, then the new average is

The mean temperature of Monday to Wednesday was 37°C and of Tuesday to Thursday was 34°C. If the temperature on Thursday was 4/5th that of Monday, then what was the temperature of Thursday?

A is twice as good a workman as B and together they finish a piece of work in 14 days. The number of days taken by A alone to finish the work is