Daily Practice - Higher

A block has volume 140 cm³ and density 7.5 g/cm³. Work out its mass.A block has volume 140 cm^3 and density 7.5 g/cm^3. Work out its mass.

A sphere has radius 12 cm. Work out its volume, leaving your answer in terms of π.A sphere has radius 12 cm. Work out its volume, leaving your answer in terms of pi.

2 of 6 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.

Four classes in order have frequencies 8, 7, 12, 12. Write down the cumulative frequency at the end of the third class.

Write √72 in the form a √b, where b is as small as possible.Write sqrt(72) in the form a sqrt(b), where b is as small as possible.