Kerosene
2 marks · EasyA kerosene lamp uses 0.4 litres of kerosene each day. Calculate:
How many litres of kerosene are needed to run the lamp for 5 days?
State one use of kerosene other than in lamps.
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
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(a) 2.0 litres
(b) fuel for jet aircraft
Common mistakes: multiplying instead of adding; not converting days correctly
Show mark scheme and worked solution
Marking points
M1 (a) · 1 mark · Correctly multiplies daily use by number of days (0.4 × 5 = 2.0 litres)
B1 (b) · 1 mark · Any other correct use of kerosene stated (e.g., jet aircraft fuel, domestic heating oil)
Worked solution
(a) 0.4 litres/day × 5 days = 2.0 litres
(b) Example answer: fuel for jet aircraft