A baker wants a batch of bread to be ready by 3.10 p.m.3.10\text{ p.m.}3.10 p.m.. She uses an oven with an automatic timer that can be set to switch on and off at certain times. The oven needs to be switched on for 2 hours 45 minutes2\text{ hours } 45\text{ minutes}2 hours 45 minutes.
At what time does the oven need to switch on?
12.25 p.m.12.25\text{ p.m.}12.25 p.m.
12.35 p.m.12.35\text{ p.m.}12.35 p.m.
5.55 p.m.5.55\text{ p.m.}5.55 p.m.
11.25 a.m.11.25\text{ a.m.}11.25 a.m.
164 exam-style questions on CIE IGCSE Physics Physical quantities and measurement techniques, covering Physical quantities and measurement techniques. Each one has a worked solution and a mark scheme showing where the marks go.