Find the time difference between 5:23 pm and 9:36 am the next day.

Find the temperature difference in  \(^\circ C\)  between  \(65^\circ F\)  and  \(110^\circ F\).

Simplify 2 m + 32 cm + 10 mm in metres.

Simplify 215 mL + 10 L – 42 cL in cL,   correcting to one significant figure.

Simplify 5 kg – 183 g + 26 mg in gram,   correcting to one significant figure.

Find the capacity of a cylinder whose height is 84 cm and the radius is 1 m,   correcting to the nearest L.

One side of an equilateral triangle was measured as 22 cm.   Find the boundary values for its perimeter.

The perpendicular sides of the right-angled triangle have lengths in the ratio 5 : 12. Find the largest length of the sides if its perimeter is 450 cm.

Find the area of the sector, correcting to two significant figures.

Find the total surface of the prism, leaving in  \({{\rm{m}}^2}\).